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Solve the all parts of given problem:
Problem: A slingshot consists of a light leather cup attached between two rubber bands. It takes a force of 28 N to stretch the bands 1.3 cm.
Part A: What is the equivalent spring constant of the rubber bands?
Part B: How much force is required to pull the cup of the slingshot 2.4 cm from its equilibrium position?
I need help to find the equivalent spring constant of the rubber bands.
A rifle with the barrel length of 62cm fires a 12g bullet with a horizontal speed of 380m/s. The bullet strikes a block of wood and penetrates to a depth of 14cm. What resistive force (assumed to be constant) does the wood exert on the bullet? How lo..
an astronaut swings a pendulum on the moon, which has a length of 1 m and oscillation period of 4.916 seconds. by what factor is the earth's gravity stronger
a 150 block is to be pulled up a plane of length 100m inclined at 30 there is no friction between the block and the
Capacitors are used in many applications where one needs to supply a short burst of relatively large current. Approximately what is the resistance of the lamp if the current reaches 5.0% of its original value in 1.8 ms
An alloy is made of 30% gold, 20% silver and iron. The specific heats of gold, silver and iron are 0.0308, 0.056 and 0.107 cal/go C, respectively. Calculate the specific heat of the alloy
A kid balances on a pogo stick. His mass combined with the mass of the pogo stick is 22kg. How much pressure does the pogo stick put on the ground
Two current-carrying wires are exactly parallel to one another and both carry 3.5 A of current, What is the direction of the magnetic force caused by wire 2 on wire 1
A thin uniform rod has a length of 0.510m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end and is stationary. What is the mass of the rod and bug
The magnetic field near the surface of a neutron star has a magnitude of 1.00 108 T. Find the acceleration of an electron near the star moving at 1.08 107 m/s
You have fabricated a one-dimensional well of width 12nm, and measurements show that the energy difference between the ground state and the first excited state is 0.16eV. What is the effective mass of the electrons
you are trying to lift a stack of books off the table. the stack of books has a mass of 15 kg. what minimum upward force must you exert on the books
Dan is gliding on his skateboard at 4.00 meter per second. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 8 m/s, Obtain how fast is Dan going as his feet hit the ground
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