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Solve the following problem:
Problem: Roughly estimate how much faster you would tumble when compacted in a ball than you would when your body was extended and straight.
Please show how you obtained the answer for above problem.
a 50db sound wave strikes an eardrum whose area is 5.6 x 10-5 m2. how much energy is absorbed by the eardrum per
a 90 ohm resistor has a current of .6A and is connect in series with a 150 ohm resistor. What is the emf of the battery to which the resistors are connected
At what angle is the curve banked? The acceleration due to gravity is 9.8 m/s2.
A truck is traveling at 11.4 m/s down a hill when the brakes on all four wheels lock. How far does the truck skid before coming to a stop
An electron in an infinite potential well (a box) makes a transition from the n = 3 level to the ground state and in so doing emits a photon of wavelengh 20.9 nm. what is the width of this well
a car started at point a and traveled around the track in a clockwise direction. point b is halfway around the track.
The three charged particles in the figure below are at the vertices of an isosceles triangle (where d = 3.80 cm). calculate the electric potential at point A, the midpoint of the base
A shot-putter accelerates a 7.28 kg shot from rest to 14.8 m/s. If this motion takes 1.31 s, what average power was developed
During gym class, a 50-kg teenager runs at 8.0 m/s along the floor toward a rope hanging 7.8 m from the ceiling. What is the tension in the rope at the moment he begins to swing upward
A rock is rolled in the sand. It starts at 5.0 m/s, moves in astraight line for a distance of 3.0 m, and then stops. What is the magnitude of the average aceleration
A sled traveling at a speed of 5.0 m/s slows to a stop 4.0 m fromthe point where its passenger rolled off. What is the magnitude of the horizontal net force that slows the 110 N sled?
A 13 N force with a fixed orientation does work on a particle as the particle moves through displacement d=(2i-5j+4k)m. What is the angle between the force and the displacement
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