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In designing a machine part, you need a spring that is 8.45 cm long when no forces act on it and that will store 24.0 J of energy when it is compressed by 2.50 cm from its equilibrium position.
What should be the force of this spring?
Can the spring store 700 J by compression?
Yes or No
consider a system consisting of 3 charges. a 1 c charge is located at x 0 a 2 c charge is located at x 2 cm and -1 c
What is the electrostatic force on each particle.
A car of mass 930 kg is traveling over the top of a hill, If the hill has a radius of curvature of 38 m and the car is traveling at 13 m/s, what is the normal force between the hill and the car at the top of the hill
A sled slides without friction down a small, ice-covered hill. If the sled starts from rest at the top of the hill, its speed at the bottom is 7.50 m/s. What is the speed at the bottom of the hill
Consider a 60 W light bulb with a 2.0m long tungsten filament connected to a 120V source, Determine the resistance of the filament
For a patient, a doctor prescribes glasses with a converging lens having a power of 4.0 D What is the location of her eye's near point
In a severe storm, 1.05 cm of rain falls on a flat horizontal roof in 31.0 min. obtain the average force exerted on the roof by the rain
Using the kinematic equation, prove that if two balls are released simultaneously from table, one with zero velocity and the other with a horizontal velocity, they would both reach the ground at the identical time.
Two objects of the same mass, m = 1.00 kg, are projected towards each other. The first object initially has velocity (20.0m/s)i^. What is the change in kinetic energy in the collision
Blocks A and B are connected across a frictionless pulley by a cord of negligible weight. If block B lies on a horizontal, frictionless surface and block A hangs vertically, what can be said about the acceelration of block B?
question1a neutron star and a black hole are 2.400e12 m from each other at a certain point in their orbit. the neutron
A tennis player swings her 1000 g racket with a speed of 12 m/s. She hits a 60 g tennis ball that was approaching her at a speed of 24 m/s. How fast is her racket moving immediately after the impact
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