In landing activity, which variable should be maximized to minimize the risk of injury? Group of answer choices Change in acceleration Change in time Change in velocity Mass
Q: Two boxes are connected to a string, and the string is hung over a pulley connected to the ceiling,…
A: (a) mass m1 takes time to hit the floor Δt1=2.61s(b) mass m1 takes time to hit the floor…
Q: A billiard ball rolling across a table at 1.55 m/s makes a head-on elastic collision with an…
A:
Q: An infiinitely long solid conducting cylindrical shell of radius a = 2.7 cm and negligible thickness…
A:
Q: A man of mass 75.0 kg is standing in an elevator which is accelerating upward at 2.00 m/s². a) Draw…
A: The mass of the man is 75 kg.The acceleration of the elevator is 2 m/s2 in an upward direction.
Q: Consider a given volume of helium gas at room temperature (20.0 °C). [Molar mass of helium is 4.00 ×…
A: The answers are shown below.Explanation:
Q: A capacitor is charged to 5.0×10-4 C, then discharged by connecting a wire between the two plates.…
A:
Q: 1. Two straight parallel wires carry currents of I₁ = 12.5 A and I2 = 11.6 A in opposite directions…
A:
Q: A projectile of mass .050 kg moves to the right with a speed of 4.0 m/s. The projectile strikes and…
A: The objective of the question is to find the angular velocity of the system right after the…
Q: ▾ Part A A scuba diver stands at the bottom of a lake that is 14 m deep. What is the distance to the…
A:
Q: Please don't provide handwritten solution ...
A: Fc=103.956i−21.3605j+1496kExplanation:The force on the first rope is F1=105 NThe force on the…
Q: Considering a box sitting in the back of a pickup truck that accelerates toward the right. Because…
A:
Q: When a bus suddenly stops, the bags on the floor moves forward. Which of the following statements is…
A: a. the bus pushes the bags forward: This option is incorrect because once the bus stops, there is no…
Q: My answer I am getting is 1.58. please help me Water waves with parallel crests 4.3 cm apart pass…
A: So the relative angle is 1.38.Explanation:Step 1: Step 2: Step 3: Step 4:
Q: How much work does an external force do when it moves a +32 μC charge from a point with a potential…
A: The work done by the external force is 3.904 mJ. Here, we use the work energy theorem to calculate…
Q: The following is the interference pattern from laser light on a double slit. 0 cm 10 cm Which of the…
A: The question is asking about the effect of increasing the distance between the slits (d) in a…
Q: Problem 2: For the circuit show below, what are I₁, I2,I3? ε₁ = 8V, ε₂ = 12V, R₁ = 6 N, R₂ = 2, R3 =…
A: I1 = 1.64 AI2 = 0.91 AI3 = 2.54 AExplanation:
Q: Suspending Suspending a wire with a current. A horizontal wire carries a current I1 = 80 A dc. A…
A: The current I2 in the second wire is 14.7 A.Explanation:
Q: As a roller coaster car crosses the top of a 40m diameter loop-the-loop its apparent weight is the…
A:
Q: A 100 W lightbulb and a 60 W lightbulb each operate at a voltage of 120 V. Part A Which bulb carries…
A: Voltage, V = 120 VPower, P1 = 100 WPower, P2 = 60 W
Q: An object at point P on a merry-go-round rotating with angular velocity w is suddenly released and…
A: According to Newton's first law, if there is no external force on an object, then the object remains…
Q: A hypothetical planet was discovered orbiting around the star HD68988. Its orbital distance was…
A:
Q: The relative angle of the knee changes from 180 degrees (full extension) to 80 degrees during the…
A: the angular speed is the change in angular distance over time.Mathematically,where, is the change in…
Q: The maximum value of the emf in the primary coil (NP = 1600) of a transformer is 215 V. (a) What…
A: A) 87.344B) 0.40625Explanation:
Q: A person is standing on a level floor. His head, upper torso, arms, and hands together weigh 484 N…
A: Weight of the head, upper torso, arms and hands together is: Center of the gravity of the head,…
Q: A disk 8.02 cm in radius rotates at a constant rate of 1 260 rev/min about its central axis. (a)…
A: Given:Radius of the disk, =8.02 cm=0.0802 mr=8.02cm=0.0802mAngular speed,=1260…
Q: An electron is confined to a one-dimensional region in which its ground-state (n = 1) energy is 1.45…
A: (a) The length of the region is 5.07∗10−10 m (b) The required energy is 4.35 eVExplanation:
Q: f an object is to rest on an incline without slipping, then friction must equal the component of the…
A: Given: A block is placed on the inclined plane whose angle of inclination is θ. It is required to…
Q: A block of mass m₁ = 2.45 kg and a block of mass m₂ = 6.30 kg are connected by a massless string…
A: a). Free body diagrams are drawnb). a = 0.2168 m/s2c). T1 = 9.1836 NT2 = 10.2676 NExplanation:
Q: Part A What is the electric potential of the protein at the surface? Express your answer with the…
A:
Q: In the figure, a uniform plank, with a length L of 4.75 m and a weight of 630 N, rests on the ground…
A:
Q: A 14.0 mH inductor makes the current drop from 178 mA to 66.0 mA in only 10.0 μs. What is the…
A:
Q: The pulley system below has a 4 to 1 mechanical advantage; for this problem you can assume an ideal…
A: A mechanical advantage simply tells you how much a system reduces the force required to lift a…
Q: Problem 4: Let's consider the following solution for simple harmonic motion: x(t) = 0.25 cos(0.8t).…
A: a(t) = -0.16cos(0.8t) amax = 0.16 m/s2.Explanation:Given data : The equation of…
Q: A 2.00 cm diameter, 14.0 cm long solenoid has 60.0 turns and has a 1.00 cm diameter loop inside it.…
A: The current in the loop at 0.00600s is 3.8×10−5AExplanation:Step 1:Diameter outside the loop is…
Q: Problem 2.60 A point charge q is at the center of an uncharged spherical conducting shell, of inner…
A: Concept - In conducting shell Electric field will be equal to zero. To calculate the work to move…
Q: Ropes AB and AC are thrown to a boater whose canoe has capsized. If a = 25 degrees and the magnitude…
A: The tensions in rope AB = 46.89lbs The tensions in rope AC = 53.79lbsExplanation:Please see the…
Q: Part A What is the blood resistivity if a 8.8 V potential difference causes a 220 μA current through…
A:
Q: A point charge q is located at the origin. Consider the electric field flux through a circle a…
A: (a) The proportionality constant is A = 0.066987.(b) The proportionality constant is A =…
Q: Two particles are fixed on an x axis. Particle 1 of charge 44.7 uC is located at x=-17.3 cm;…
A: The objective of this question is to find the charge Q of particle 2 such that the initial…
Q: Rather than putting a pump in the fountain, the town engineer puts a water storage tank in one of…
A: We'll use the principle of conservation of energy, where the potential energy of the water at the…
Q: A small metal sphere carrying a net charge of Q = -2.00 uC is held stationary by insulating…
A: From conservation of energy, the total mechanical energy of the system always remains constant that…
Q: If the ball at E exerts a force of 18 N on the ground, find the applied force Fin units of N. The…
A: The objective of the question is to find the applied force F in units of N when the ball at point E…
Q: How long will it take a planet 150 million km from a star of mass 1.99 x 10^30 kg to complete 1 full…
A:
Q: An 8.0kg ball has a velocity of 5.5m/s in the x-direction and a 4.7 kg ball has a velocity of 7.0m/s…
A:
Q: Question 2: Coherent monochromatic light of wavelength 632.8 nm passes through a pair of thin…
A:
Q: A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive…
A:
Q: Antireflection Coating A glass lens (nglass = 1.52) has an antireflection coating of MgF2 (n =…
A: Part A: thickness should be 96.4 nm Part B: thickness should be 96.4 nmExplanation:Step 1:Step 2:
Q: A turntable is off and is not spinning. A 0.9 g ant is on the disc and is 14 cm away from the…
A: The objective of the question is to determine the angular velocity, linear velocity, angular…
Q: How much force must the floor apply to hold up a 100kh man carrying a 25kg boy on his shoulders?
A: The force will be 1225 N.Explanation:Given:The mass of man is M = 100 kgThe mass of boy m = 25 kg…
Q: A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive…
A: The objective of this question is to find out the distance of the blackboard from the student's eyes…
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- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A basketball player shoots a Free throw. Make a sketch showing the basketball's velocity just after the ball leaves the player's hands. Draw in two components of this velocity, one horizontal and one vertical. Repeat the sketch for the instant just before the ball reaches the basket. What is different?describe kinematic analysis methods used in motion analysis. (Do not copy from web)A reaction time experiment is performed once. The dropped meter stick has a displacement of 22 cm before it is caught. Calculate the reaction time of the person who cut the meter stick.
- The height, in feet, of an object shot upwards into the air with an initial velocity, in feet per second, of vi, after t seconds is given by the formula: H= -16t2+vit Use the equation above to answer questions about a model rocket is launched from the ground into the air with an initial velocity of 352 feet per second. Use the graph below to help answer the questions. Assessment Instructions Show and explain all steps in your responses to the following parts of the assignment using the Algebra concepts discussed within the course. All mathematical steps and explanations must be typed up and formatted using the equation editor. Part 1: Create the equation for the height of the rocket after t seconds. Part 2: Find the time it takes for the rocket to reach a height of 0. Interpret both solutions. Part 3: Find the time it takes to reach the top of its trajectory. Part 4: Find the maximum height. Part 5: Find the time it takes to reach a height of 968 feet. Round…A marble DROPPED from a bridge and strikes the water in 5 seconds. Calculate the height of the bridge.A stone is thrown upwards from the top of a tower 50 meters high. Its velocity in anupward direction t second later is 20 − 5t meters per second. Find the height of thestone above the ground 3 seconds after throwing it.Hint : write the equation, use the initial conditions
- Here below I provided the link that goes with the image attached https://phet.colorado.edu/en/simulations/ projectile-motion Don't forget to provide a screenshot Please please try to answer everything please please answer it's super important would really appreciate it if you would answerHere below I provided the link that goes with the image attached https://phet.colorado.edu/en/simulations/projectile-motion Don't forget to provide a screenshot Please please try to answer everything please please answer it's super important I would really appreciate it if you would answerThe class I'm taking is physics for scientists and engineers! Need help. I have attached the problem. Thank you so much!
- A swimmer stepped off the bridge and hit the water 1.5 s later. How fast was the swimmer moving when he hit the water? What would the swimmer’s drop time be if the bridge were twice as high? Write your answer in one decimal only.Laws of motion task comparison chartCreate 2 games of physical activity applying 3rd Law of Motion. Include how the game is played and applied
