The kinetic energy and potential energy of the artist will be changed into spring potential energy
0.5mv^2+mgx = 0.5kx^2
solving for x we get
X = 0.185m
A 71 kg trampoline artist jumps vertically upward from the top of a platform with a...
A boy jumps vertically upwards fromthe top of a platform and then drops onto a trampoline which is 3m below his start point. If the trampoline has an effective spring constant 5.2x10^4N/m and is depressed 0.35m, calculate the boy's initia; upward velocity.
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32 m high. When it hits the ground at the base of the cliff, the rock has a speed of 33 m/s . Part A Assuming that air resistance can be ignored, find the initial speed of the rock.(Express your answer using two significant figures.) Part B Find the greatest height of the rock as measured from the base of the cliff. (Express your answer...
Determine the angular acceleration of the 24-kg diving board the instant the man jumps off. Assume that the board is uniform and rigid, and that at the instant he jumps off the spring is compressed a maximum amount of 250 mm,w-0, and the board is horizontal. Take k 6.4kN/m (Figure 1) Express your answer to three significant figures and include the appropriate units. alue Units re 1 of 1 Submit Request Answer Part B 15m15m Determine the horizontal component of...
A 104 kg weather rocket generates a thrust of 230 N The rocket pointing upward, is damped to the top of a vertical spring The bottom of the spring whose spring constant is 540 N/m is anchored to the ground Initially before the engine is ignited the rocket sits at rest on top of the spring How much is the spring compressed? Express your answer with the appropriate units ? ! Å RO Value Units Ay Submit Request Answer Part...
A small rock is thrown vertically upward with a speed of 14.0 m/s from the edge of the roof of a 29.0 m tall building. The rock doesn't hit the building on its way back down and lands in the street below. Air resistance can be neglected. Part A What is the speed of the rock just before it hits the street? Express your answer with the appropriate units. HA ? Uy = Value Units Submit Request Answer Part B...
in a stunt three people jump off a platform and fall 9.0 m onto a large air bag. A fourth person at the other end of the air bag the "flier" is launched 20 m vertically into the air. assume all four people have a mass of 73 kg. Part A What fraction of the mechanical energy of the three jumpers is transferred to the mechanical energy of the flier? Express your answer to two significant figures. ΡΟΙ ΑΣφ ?...
A spring has k = 71 N/m Pro Type here to search II Part A Draw a graph of Fvs x and use it to determine the work needed to stretch the spring from 32 cm lo 77 cm, where - refers to the spring's unstretched length Express your answer to two significant figures and include the appropriate units. μΑ W= Value Units Submit Request Answer Provide Feedback Next >
Review A 260 g block hangs from a spring with spring constant 16 N/m. Att = Os the block is 27 cm below the equilibrium point and moving upward with a speed of 128 cm/s. What is the block's oscillation frequency? Express your answer to two significant figures and include the appropriate units. J = 1.2 HZ Submit Previous Answers ✓ Correct session.masteringphysics.com 00 ANSWER Part B 2 = 0.10 m What is the block's distance from equilibrium when the...
A sandbag is dropped from a balloon which is ascending vertically at a constant speed of 7 m/s. The bag is released with the same upward velocity of 7 m/s when t O and hits the ground whent-9s PartA Determine the speed of the bag as it hits the ground. Express your answer to three significant figures and include the appropriate units. u | Value Units Submit Part B Determine the altitude of the balloon when bag hits the ground...
Compressed air is used to fire a 60 g ball vertically upward from a 0.70-m-tall tube. The air exerts an upward force of 2.4 N on the ball as long as it is in the tube. Part A How high does the ball go above the top of the tube? Express your answer to two significant figures and include the appropriate units