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Question: Suppose the person in Example gave the ball an extra shove that sent it backwards at 2 m s-1 after the collision. Find the person's final momentum.
Example: A 24.6m s-1 bowling ball is a bit fearsome, so suppose that a person is on very slippery ice with a ball approaching at 4.0m s-1 as suggested by Fig. With what speed do the ball and person slide off together? Take the bowling ball's mass to be 5kg and the person's mass to be 70kg. You can calculate the final momentum of each and their common velocity, v, by using conservation of momentum to find the velocity v:
While a person is walking, his arms swing through approximately a 45.0^\circ angle in 0.520s. What is the acceleration of a 1.60 gram drop of blood in the fingertips at the bottom of the swing
A car moving at 20.0 m/s decelerates at 7.00 m/s2. How far will it travel before stopping
A person pushes on a stationary 125 N box with 69N at 30degrees below the horizontal, What is the friction force on the box
A cyclist is pedaling at a cadence of 60, so the bicycle wheel make 60 rotations per minute around the axis through its center. What is the wheel's angular speed
A regular hexagon shaped wire loop with a side length of a = 25.8 cm carries an electric current of I = 11.5 A as shown in the figure. Determine the size of the magnetic field at point P, the center of the hexagon.
1 what is the magnitude of the force on a 50 cm 0.500 m long wire carrying 15.0 a at right angles to a 0.005 t 500 g
in a headon collision (without friction) a 4000 kg truck going 10m/s due east strikes a 2000kg car gong 40m/s west, what direction do they roll in
You are looking down at the earth from inside a jetliner flying at an altitude of 9440 m. The pupil of your eye has a diameter of 1.96 mm. Decide how far apart two cars must be on the ground if you are to have any hope of distinguishing among them in..
A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake.
The specific heat of water is 4186 J/(kg-degree Celsius) and the specific heat of copper is 387 J/(kg-degree Celsius). What is the mass of water
Although the equation of state does not alter when the particles in a monatomic ideal gas start to move at relativistic speeds, show that in the formula for an adiabat, PV = constant, lambda in the relativistic limit is 4/3, rather than 5/3 as in ..
A cart of mass (851.8 +- 0.1)g is configured in a setup. The tension in the string is 0.36 N and the cart has a displacement of 40.9cm
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