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Four identical springs with k = 65.3kN/m support a car, with the car's weight distributed equally among them.
Find the maximum weight for the car if the springs should be compressed no more than 3.9cm when the car is at rest.
An automobile has a mass of 1710 kg and a velocity of 23.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2470 kg. What is the velocity of the two cars just after the collision
At what temperature would the rms speeds be equal to the escape speed from planet earth.
The force shown in the attached figure is the net eastward force acting on a ball. The force starts rising at t = 0.020 s, falls back to zero at t = 0.062 s, Find the area of a nearly equally sized triangle
A 25-ohm resistor, a 55-ohm resistor, and a 75-ohm resistor are connected in parallel and placed across a 9.0-V battery. What is the current through each branch of the circuit
Two capacitors are connected to a battery. The battery voltage is V= 80V, Determine the total energy stored by the two capacitors
During an earthquake, the floor of an apartment building is measured to oscillate in approximately simple harmonic motion with a period of 1.60 seconds and an amplitude of 9.00cm, Determine the maximum speed of the floor during this motion
If the mass of the child and sled is 40 {rm kg}, what average force do you need to apply to stop the sled? Use the concepts of impulse and momentum.
Block A of Figure has a velocity of 15 ft/sec down slope. How far will the block slide along the slope? How far will the block slide along the slope before stopping?
If a person radiates about 65.00 W of power at room temperature, how long does it take for a person to radiate away the energy acquired by consuming a 230 Calorie donut.
A golf club strikes a 0.044-kg golf ball in order to launch it from the tee. For simplicity, With what speed does the ball leave the club
A student is sleeping under a small goose-down comforter that has coefficient of thermal conductivity of 0.025 W/m °C. what is the rate of heat flow through the comforter
A binary star system has two stars, each with the same mass as our sun, separated by 1.20×1012m. What is the comet's speed at the midpoint
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