Q: A soccer ball is kicked from rest to 10 m/s. The foot is in contact with the ball causing the accele...
A: The acceleration is, a=v-ut
Q: Suppose the maximum safe intensity of microwaves for human exposure is taken to be 1.00 W/m2. What i...
A: Given data: The maximum safe intensity of microwaves for human exposure is I=1.00 W/m2. The expr...
Q: 13
A: Before the collision: Initially before the pendulum ball1 is dropped , the initial velocity of the ...
Q: A 2.4 cm diameter coin (your object) is placed 10 cm in front of a concave lens of focal length 20 c...
A: The distance of the coin’s image formed by the concave lens can be found as, Here, v1, u1, and f1 r...
Q: In a rally a road is designed so that the minimum acceleration for a car to jump is 5.7 m/s². The ju...
A: Solution: Given that a = 5.7 m/s2 v = 74.1 m/s
Q: One end of a uniform 2.0-m-long rod of weight o is supported by a cable at an angle of 0 = 37 with t...
A: From the above figure, the equilibrium condition of force in the horizontal direction Tcosθ=N ....
Q: A ball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. If the ball hi...
A: The following data is given: m=0.275 kgInitial velocity(u)=-3.5 m/s......(As instructed in part a) o...
Q: Car Navigating a Banked Curve: A car is going around a curve on a road of radius R which lies on a h...
A: The car can go around the curve even when friction is zero. the speed of the car should be a constat...
Q: A weather balloon contains 12.0 m3 of hydrogen gas when the balloon is released from a location at w...
A: The ideal gas equation is given as: PV=nRTwhere,P is pressureV is volumen is no. of molesR is univer...
Q: A conductor in a train traveling at 12.0 km/h north relative to the ground walls across the aisle at...
A:
Q: 9
A: To minimize your speed on the skateboard. Correct option is A) Catch the ball Because when you throw...
Q: PleaseShow all work by steps
A: Given: The mass of first car is m1=2200 kg. The mass of second car is m2=3000 kg. The speed of firs...
Q: chose the correct answer in each of the following
A: 3. Introduction: Zener diode is a special type of diode which allows current to flow backward when a...
Q: What is the work done by a body when it has zero velocity?
A: If it is moving horizontally without friction (or other opposition like air drag), zero work because...
Q: Radar is used to determine distances to various objects by measuring the round-trip time for an echo...
A: Given: The distance of the plane is 12.0 km. The accuracy in distance is 10 m.
Q: A 2.5-kg block www is held at rest against a spring (k = 1200 N/m), compressing it d = 5.0 cm from i...
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...
Q: An industrial firm supplies compressed air cylinders of volume 0.25 m3 filled to a pressure of 20×10...
A: Given data The volume of the gas is V=0.25 m3 The pressure is P=20×106 Pa The temperature is T=17 oC...
Q: Occasionally, huge icebergs are found floating on the ocean's currents. Suppose one such iceberg has...
A: Given: The density of the ice is 917 kg/m3. The latent heat of fusion is 33.5×104 J/kg. The temperat...
Q: Find the number of ways of putting 3 particles in 5 boxes according to the three kinds of statistics...
A: 3 particles in 5 boxes
Q: The torque of the right side of this broom is _the left side. Equal to More than Less than None of A...
A: Let l1 denotes the distance of the center of mass of the left side of the finger, m1 denotes the mas...
Q: Explain Newton’s third law of motion with respect to stress and deformation.
A: stress and deformation
Q: Kirchhoff's Potential Loop Rule states that the algebraic sum of all the electric potential differen...
A: The Kirchhoff's loop law states that the algebraic sum of all potential differences in a closed loop...
Q: 4. Use conservation of energy to determine the angular speed of the spool shown in figure below afte...
A: Given data *The mass of the bucket is m = 3.0 kg *The given distance is h = 4.0 m *The given mass of...
Q: Where is the center of mass of the image below, Lets say the ruler measurements are in unit of cm 20...
A: Center of the mass of the system is the point where whole of the mass of the system seems to be conc...
Q: A ball is thrown upward with an initial speed of 80 ft/sec. How high (in ft) does it go?What is its ...
A: Expression to find the height is v2=u2-2gh At find maximum height v=0 ms 0 ms2=80 fts2-232.17 fts2hh...
Q: A 180 kg block is pulled at a constant speed of 5.2 m/s across a horizontal floor by an applied forc...
A:
Q: Please see question in the photo? You can just do part B. First image is the description of the ques...
A: Given data m1=3 kgm2=4 kgμ2=0.1μ1=0.250θ=370
Q: (1)@. (2) e E (3)e )(4) The following figure shows four different orientations of an electric dipole...
A: The external electric field is applied in the right direction; therefore, the minimum angle between ...
Q: 6
A: F=-∆V
Q: The parallel plates of an air capacitor are separated by 2.25 mm. Each plate carries a charge of 6.5...
A:
Q: Give an explanation of how food energy (calories) can be viewed as molecular potential energy (consi...
A: The first law of thermodynamics is the form of the law of conservation of energy and it is applicabl...
Q: A star has a peak output at 440 nm and has a luminosity of 3 solar luminosities. What is its radius...
A: Given data The peak wavelength is given as λ=440 nm. The number of luminosities is given as n = 3. ...
Q: The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear expansion is about ...
A: The expression to solve for the length of the tower at temperature T. LT=L01+αT-T0 ...
Q: A uniform electric field of 400 V/m is directed at 37.0° below the x axis as shown in the figure. Po...
A: According to electrostatics coulomb force is a conservative force. So∇→×E→=0E→=-∇→V where E= electri...
Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing th...
A: The minimum distance the car needs to travel to stop (braking distance) is given by, d=v22μg Here, v...
Q: Required information The following data were taken from an experiment that measured the current in a...
A: Now consider the below data were taken from an experiment that measured the current in a wire for v...
Q: The 1 kg block of ice melts into water. The amount of heat absorbed by the ice as it melts is
A: Heat absorbed to melt the ice in water is known as the latent heat of melting . The standard value o...
Q: A particle (charge = +2.0 mC) moving in a region where only electric forces act on it has a kinetic ...
A: The charge of the particle, q=+2.0 mC Kinetic energy at A, KEinitial=5.0 J Electric potential at B, ...
Q: A boat is powered by three 2600-kW engines. At the top speed of 27.4 m/s, theboat’s propellers produ...
A: Given data: The number of engines in thee boat is n=3. The power of a engine is P=2600 kW. The top ...
Q: A ball swings counterclockwise in a vertical circle at the end of a rope 1.50 m long. When the ball ...
A: Given: Length of the rope is l=1.50 m Angle of the rope from vertical is θ=36.9°. (i) Formula Used: ...
Q: The concurrent forces act on the screw shown. Determine the magnitude and direction of theresultant ...
A:
Q: A rubber ball is dropped and bounces vertically from a horizontal concrete floor. If the ball has a ...
A: Given data: When the rubber ball is falling down its initial velocity is u = - 3.4 m/sWhen it is bou...
The moon has an orbital period of 27.3 days and an orbital radius of 3.84 X 10^8m. Find the orbital velocity of the moon in m/s.
Step by step
Solved in 2 steps with 1 images
- An astronaut is rotated in a horizontal centrifuge at a radius of 5.6 m. How many revolutions per minute are required to produce if the centripetal acceleration has a magnitude of 5.3g? ( g is the gravitational acceleration, g=9.80 m/s2. Your result must include one digit after the decimal point. Maximum of 5% of error is accepted in your answer. Take π=3.14)A delivery boy covers his route by traveling 165 m in a direction 30 degrees west of north and then 180 m west. what is his final location ( magnitude and direction) relative to his starting location?A person desires to reach a point that is 3.40 km from her present location and in a direction that is 35.0° north of east. However, she must travel along streets that are oriented either north–south or east–west. What is the minimum distance she could travel to reach her destination?
- A ship sailing in the Gulf Stream is heading 25.0° west of north at a speed of 4,00 m /s relative to the water. Its velocity relative to the Earth is 4.80 30 m/s 5.00 west of north . What is the velocity of the Gulf Stream (The velocity obtained is typical for the Gulf Stream a few hundred kilometers off the east coast of the United States .The earth moves around the sun in a nearly circular orbit of radius 1.50 x1011m. What is the average speed of the earth during the half of its path (6months= 1.58x107s) ?The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 10 m, determine the speed and centripetal acceleration of a person situated (a) at the equator and (b) at a latitude of 55.0 north of the equator. (a) v 460 Units 0337 Units ms2 (b) v 427 Units 0.031 Units
- A cannonball fired out to sea from a shore battery follows a parabolic trajectory given by the graph of the equation h(x) = 11x − 0.01x2The pilot of a private plane flies 20.0 km in a direction 60° north of east then 0.3km straight east, then 10km straight north. How far and in what direction is the plane from the starting point? y (north) C 10.0 km B A 20.0 km 60 30.0 km R x (east)A kayak on a lake is moving at a constant speed of 2.0 m/s in a direction 42.5° north of west. After 14 min, find the following. (a) How far west, in kilometers, has the kayak traveled? (b) How far north, in kilometers, has the kayak traveled?
- An object moving at constant speed v around a circle of radius r has an acceleration a directed toward the center of the circle. The SI unit of acceleration is m/s2. If the speed is increased 19.0%, by what percentage does the radial acceleration increase?A person desires to reach a point that is 3.4km from her present location and in a direction that is 35 deg north of east. However she must travel along streets that are oriented either north-south or east-west. What is the minimum distance she could travel to reach her destination?A kayak on a lake is moving at a constant speed of 2.0 m/s in a direction 42.5° north of west. After 14 min, find the following. (a) How far west, in kilometers, has the kayak traveled?