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A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest. The bullet emerges from the block with speed of 400 m/s. a.) How much energy was lost in the collision? b.) Calculate the average force exerted on the block assuming that the impact time is 10^-4 s. c.) To what maximum height will the block rise above its initial position?
A 77.4 kg manm lifts a 1.3 kg box from the floor a height of 1.1m in 2.1 seconds, what is the change in gravitational potential energy
A tennis player tosses a tennis ball straight up and catches it after 3.0 s. Find the initial velocity of the ball
what would the period of the system be. When a particular mass-spring system is started by stretching the spring 5 cm, one complete oscillation takes 2 seconds.
The magnetic flux through a coil of wire containing two loops changes from -23Wb to +33Wb in 0.57s. What is the emf induced in the coil
The starter motor of a car engine draws a current of 100A from the battery. The copper wire to the motor is 4.0mm in diameter, How much charge passes through the starter motor
A 0.3kg mas is attached to a spring with a spring constant of 120n/m and resys on a frictionless horizontal surface. It is compressed 17cm and released. Find forces and inital acceleration
A circular loop of wire has an area of 0.3 m2. It is tilted by 45° with respect to a uniform 0.40 T magnetic field. What is the magnetic flux through the loop
q1. two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 n. if one person applies an
White light, with frequencies ranging from 4.20×1014 Hz to 7.74×1014 Hz, is incident on a calcium surface. Calculate the lowest frequency for which no electrons are ejected
The G string on a violin has a fundamental frequency of 196 Hz. It is 28.0 cm long and has a mass of 0.500 g. what is the effective length of her string
question1a square membrane with sides of length l uniform mass density per unit area sigma and uniform surface tension
A closed container with volume of 7.80 L holds 9.6 g of liquid helium at 3.00 K, What is the final pressure inside the container
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