A snowmobile with an initial speed of 5.6 m/s travels 24.0 m in 2.0 s. What final speed does it attain? Express your answer first in m/s and then in km/hr.
Q: While standing at the edge of the roof of a building, a man throws a stone upward with an initial…
A: From the kinematic expression the value for the time will be,
Q: You drive 8 km at 70km/h and then another 8.0 kmat 90 km/h. Your average speed over the 16 km drive…
A:
Q: A car is travelling with a speed of 90 km/h. This speed in S.I. units is O a. 324.00 m/s O b. 40.23…
A:
Q: A cat chases a mouse across a 1.6 m high table. The mouse steps out of the way, and the cat slides…
A: Given data: Height of table (h) = 1.6 m Cat slides off the table Horizontal displacement (d) = 1.2…
Q: A helicopter turns slowly for 10.0 s with an average acceleration of 4.50m/s2 [W]. If the helicopter…
A:
Q: A fish swims 3.7 m [N] then 3.8 m [S]. What distance has the fish travelled?
A: In the question, it is asked for the distance traveled not the displacement. Distance is a scalar…
Q: A man throws a ball vertically upward from the window of a building with a speed of 15 m/s.
A: The expression from kinematics,
Q: A car moving at 5 m sl is brought to rest after travelling a distance of 1.5 km. The time taken by…
A: Given Data : The speed of the car is given as v=5 ms. The distance travelled by car before stopping…
Q: As a train accelerates away from a station, it reaches a speed of 4.6 m/sm/s in 5.3 ss. If the…
A:
Q: A truck travels with a speed of 54 mi/h. This speed in S.I. units is (Given 1 mile = 1.609 km) O a.…
A: Given : v=54mi/h The SI unit of speed is m/s. Let us convert the following unit to SI unit : 1…
Q: A boy travels from A to B and then from B to C in a bicycle. The total displacement is 3m 90° (a) 7m…
A: Consider ABC as a triangle where, AC is the hypotenuse which also is the total displacement. Using…
Q: The driver of a car slams on the brakes, causing the car to slow down at a rate of 18.0ft/s? as the…
A:
Q: A truck moving initially at24.6 m/S cover 70.0 m 2.40s. What is the truck final speed
A:
Q: A train has a top speed of 0.05 km/s. How many meters will the train have traveled after 5.79 hours?…
A:
Q: An Olympic-class sprinter starts a race from rest with an acceleration of 3.7 m/s^2. What is her…
A: Given, u = 0 m/s (initially at rest) a = 3.7 m/s2 (acceleration) t = 1.7 s As we know, from…
Q: A book slides off a horizontal tabletop with a constant speed of 2.25m/s. It strikes the floor in…
A: Given Data:- Initial horizontal velocity of the book is vix=2.25 m/s The book strikes the floor…
Q: A cyclist moves with a speed 2 m/s, then accelerates at 1.2 m/s2 after a distance 25m. Then the…
A:
Q: A car decelerates at 2.0 m/s 2 and comes to a stop after travelling 25 m. Find the time required to…
A:
Q: A 1000-kg automobile enters a freeway on-ramp at 20 m/s and accelerates uniformly up to 40 m/s in a…
A: First of all we have to calculate the acceleration of the automobile. Acceleration of an object is…
Q: A block of mass 3.47 kg starts from rest and travels in a straight line. It reaches a distance 2.67…
A: Initial velocity u = 0 Final velocity v = 7.59 m/s Displacement = 2.67 m
Q: What is the final speed of a bicyclist initially moving at 1.0 m/s who accelerates at a rate of 1.5…
A:
Q: The average speed of a car is 35 km h. How far can it travel in 45 minutes? A 0.78 km B 129 km D 467…
A: Given data : Time=t Average speed=S Required : Distance
Q: A volleyball is thrown is vertically upwards with a speed of 30 m/s. How will it go after 5sec ?…
A:
Q: car goes from 5 m/s to 22 m/s in a distance if 320. what is the acceleration
A:
Q: A 0.1 kg apple hits the ground with a speed of 17 m/s. From what height was the apple dropped? I am…
A: Given Mass(m) = 0.1 kg Speed at the ground (v) = 17 m/s Let , initial height of apple is 'h' .…
Q: A stone dropped into a well takes 1.5 seconds to reach the water. Ignoring the effects of air…
A: Given Data: The time required for the stone to reach the water is, t=1.5 s The acceleration due to…
Q: A truck covers 40.0 m in 8.50 s, while smoothly slowing down to a final speed of 2.80 m/s. Find its…
A:
Q: A truck going 13kph has a head-on collision with a small car going 26kph. Which statement best…
A: from conservation of momentum initial momentum = final momentum so they have same change in…
Q: A bicycle travels 6.00 km due east in 0100 h, then 9.20 kr due east in 0.100 h to reach its…
A: Given:- The bicycle travels the following distance as 6.0 km due east in 0.100 h 9.20 km at 15o…
Q: A car falls from a height of 25 m. How fast does it go to the bottom??
A: The kinematic equation involving the final speed (v), initial speed (u), acceleration (a) and the…
Q: A hunter wishes to cross a river that is 2.3 km wide and flows with a speed of 5.0 km/h parallel to…
A:
Q: What is the speed (in m/s) acquired by a freely falling object 5 s after being dropped from a rest…
A: Given data: A freely falling object Initial velocity (Vi) = 0 m/s Time (t) = 5 s Required: Final…
Q: A ball is dropped from the top building of height 14 m, what is the velocity when it falls to the…
A: Height from which the ball is dropped h=14 m Acceleration due to gravity g=9.8 m/s2
Q: A young man throws a stone up at 30 m/s What is the maximum height the stone reaches? What is the…
A:
Q: An object is thrown straight up with a speed 27 m/s from the edge of a bridge spanning a lake. The…
A: Given data: Initial velocity (u) = 27 m/s Time taken (t) = 6.8 s Required: Height of the bridge…
Q: The driver of a car slams on the brakes, causing the car to slow down at a rate of 16.0ft/s? as the…
A: acceleration (a) = -16 fts2distance (d) = 327 ft final velocity (v) = 0 ft/sec Initial velocity = u…
Q: Speed of a train is 20 meters per second. It can cross a pole in 10 seconds. What is the length of…
A:
Q: You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your Average speed over the 12 km…
A: Given data: Distance covered in first half is, s1=6.0 km. Speed during the first half is, v1=50…
Q: a car accelerates from rest at 2 meters per second per second, its speed 3 seconds later will be ot…
A:
Q: If a 1.3 kg ball is dropped from the top of a 33.7 meter tall building, what is the maximum…
A: Given data The mass of the ball is m=1.3 kg The height of the building is h=33.7 m The potential…
Q: a 1.2 kg cannon is shot up with an initial speed of 80 m/s. what is the height achieved by the…
A: Given : Mass of the cannon, m = 1.2 kg Initial speed, u = 80 m/s Let the maximum height be s and…
Q: Without turning around, a dog walks along a long straight path for 4.0 m at 3.0 m/s and then for 2.0…
A: Given data: Case 1: Speed (v1) = 3 m/s Distance (d1) = 4.0 m Case 2: Speed (v2) = 6 m/s Time(t2)= 2…
Q: A parachutist after bailing out falls 50 m without friction. When the parachute opens, it…
A:
Q: A dolphin jumps straight up out of the water at a velocity of 12 m/s. How high does his body rise…
A:
Q: What magnitude of force is required to cause a 200kg car to change speed of 24 m/s to 8 m/s in a…
A: Given : Mass of a car (m) = 200 kg Initial speed (vi) = 24 m/s Final speed (vf) = 8 m/s Time (dt) =…
Q: You drive 6.0 km at 50 km/h and then another 6.0 k at 90 km/h. Your average speed over the 12km…
A: The speed is the ratio of distance over time, For the first 6.0 km the speed is 50 km/h, so the…
Q: A stone takes 6.00 s to hit the beach after falling from the top of a cliff. Ignoring air friction,…
A: Given here,time taken, t=6 s from the second equation of motion, S = ut + 12at2
Q: dear devil super Dave accidentally drops a wrench from his hot air balloon at an altitude of 100 M…
A: Given: The height of the wrench from the ground is 100 m. The initial velocity of the wrench is 0…
Q: You throw a ball up with the initial velocity 2.5 m/s. What is the velocity of that ball when it…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- A student begins at rest and then walks north at a speed of v1=0.65m/s. The student then turns south and walks at a speed of v2=0.28m/s. Take north to be the positive direction. a)What is the student's overall average velocity vavg, in meters per second, for the full trip assuming the student spent equal times at speeds v1 and v2? b) If the student travels in the stated directions for 30.0s30.0s at speed v1 and 20.0s at speed v2, what is the net displacement, in meters, during the trip? c) If it takes the student 1.2s to reach the speed v1, from rest, what is the magnitude, in meters per squared second, of the student’s average acceleration during that time?Sarah is driving on a freeway in a forest at 13.0m/s when suddenly a deer runs in front of her and stands still out of fright. The deer is 20.0m in front of Sarah when she steps on the brakes with a deceleration of magnitude 4.59 m/s2A) Find the stopping distance of Sarah. Does she hit the deer? Give support to your explanation.B) How long (how much time) does it take Sarah to travel half of the stopping distance in part (a)?A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and continues through the intersection at a constant speed. The police officer takes off in pursuit 2.0s after the car has passed the stop sign. She accelerates at 4.2 m/s^2 until her speed is 110 km/h until she catches the car. The car is 1.4 km from the intersection. a) How long did it take for the officer to catch the car? b) How fast was the car traveling?
- You are driving along Lawrence Ave. to speed up to try to make it through the intersection before it turns red (poor decision!). Your car accelerates at 1.3 m/s?. You reach the light after accelerating for 4.3 seconds. What is your speed at the light in m/s? 60 km/h. You see the traffic light ahead is still green and decide V, =v, +aAt A: Pictorial Representation Sketch showing events, describe events, coordinate system, label givens & unknowns with symbols, conversions B: Physics Representation Motion diagram, motion graphs, velocity vectors, events a +x t t C: Word Representation Describe motion (no numbers),-assumptions, estimated result (no calculation) D: Mathematical Representation Describe physics of steps, complete equations, algebraically isolate, substitutions with units, final statement of prediction E: Evaluation Answer has reasonable size, direction and units? Why?A toy rocket is traveling to the right at 15.0 m/s when it undergoes a constant acceleration of 3.00 m/s2 to the left. a) How long does it take before the rocket stops moving to the right? b) What distance does the rocket travel before it stops moving to the right? c) What distance does it travel in 7.00 s?S roller coaster rapidly picks up speed as it roles down a slope. As it startx down the slope the speed is 4 m/s. But 3 seconds later, at the bottom of the slope its speed is 22 m/s. What is the average acceleration.
- Two motor vehicles, BMW and Ducati, are driving at SLEX southbound lane. At 9:00:00 am they are 100 meters apart and both having a velocity of 100 km/hr with BMW on the lead. The BMW suddenly decelerates at a constant rate of 5m/s while the Ducati retains its velocity. a) How many seconds after 9:00 am will the Ducati start to overtake the BMW? Express your answer in unit of second. b)How much distance has the BMW travelled from 9:00 am to the moment the Ducati starts to overtake? Express your answer in unit of meter. c) How much distance has the Ducati travelled from 9:00 am to the moment it starts to overtake the BMW? Express your answer in unit of meter.H.W: A jogger runs 100m at 5m/sec then 100m at 4m/sec in the same direction. What is the average velocity? x(m) H.W At t=0 a car is moving east at 10m/sec .find its average acceleration between t=0 and each of the following times at which .it has the given velocities : a) t=2sec , 15m/sec east b) t=5sec , 5m/sec east c) t=10sec, 10m/sec west d) t=20sec, 20m/sec westA "superman" is sitting on a tree 98 m high with a child he has rescued from the claws of a tiger. Unfortunately, the child slips and falls with an initial velocity of zero. The "superman" realized what was happening 2 seconds later and flew to catch the child at a constant speed of 39.2 m s-1. Calculate : a) the time the "super man" will fly before catching the child. b) the distance the "super man" will fly to catch the child. Assume that the acceleration due to gravity, g = 9.8 m s-2.
- A vehicle drives at a constant speed of 215 km/h for 42.3 seconds, accelerates by 29.4m/s2 for 5.00s, and finally slows down to stop. The entire movement takes 88.6 seconds. B. Determine the maximum speed. C. Determine the total displacement. Two 9.82km separate trains travel on parallel tracks in opposite directions, one to the other. Train A has a speed of 5.87 km/h at departure and accelerates at a rate of 0.29m/s2. Train B has a speed of 20.3m/s at departure and an acceleration of 0.69m/s2. B. Determine when trains meet.I need help on this problem: You go south of your friend's house 150 miles away at 50.0 MPH. Your friend is not there so you return home, without spending any time there, at 30 MPH. What is your average speed. What is you average velocity?Page 5 of 8 5. As I drive on a back-country road, I suddenly see a deer "frozen" in the headlights. I was driving at 11.4 m/s, but immediately apply the brakes and slow with an acceleration of 3.80 ". a. If the deer was 20.0 m from my vehicle when the brakes were applied, how close did I come to hitting the deer? b. How much time was needed for my vehicle to stop?