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A ball of mass 160 g is released from rest at a height of2.10 m above the floor and it rebounds straight up to a height of 0.900 m.
Decide the magnitude of the ball's change in momentum due to its contact with the floor.
If the contact time by the floor was0.0950 s, what was the average force the floor exerted on the ball?
A block with mass 2.0 kg is on a horizontal frictionless surface and is placed against a compressed spring that has force constant 128 N/m. what is the speed of the block after it has left the spring
consider a mass of 20kg on the left and another 10kg on the right connected by a rope and being pulled to the right
A Gaussian surface has thirty field lines leaving it when it surrounds a point charge of +10.0 and fifty-five field lines entering it when it surrounds an unknown point charge
question one end of a horizontal rope is attached to a prong of an electrically driven tuning fork that vibrates the
a layer of liquid b floats on liquid a. a ray of light begins in liquid a and undergoes total internal reflection at
When 165 V is applied across a wire that is 14 m long and has a 0.31 mm radius, Find the resistivity of the wire
Tarzan, who weighs 688 N, swings from a cliff at the end of aconvenint vine that is 18m long. From the top of the cliff tothe bottom of the swing, at what angle with the vertical does it break
A 72 kg skier is going down a slope oriented 37° above the horizontal. Determine the pressure that each ski exerts on the snow
An engine with an output of 247.0 W has an efficiency of 36.0 %. It works at 9.00 cycles/s. How much heat is rejected each cycle
A can of Coke moving 16.6 m/s towards the right(the positive direction) collides with a can of Pepsi moving 3.67 m/s toward the left, what is the final velocity of the can of Pepsi
In a head-on collision, a car stops in 0.29 {s} from the speed of 28 {m/s}. The driver has a mass of 78 {kg}, and is, fortunately, tightly strapped into his seat. what force is applied to driver during that fraction of a second.
Calculate the induced emf in the conductor and if the total resistance in the conductor is R what is the magnitude of the induced current.
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