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To stretch a certain spring by 3.00cm from itsequilibrium position requires 9.50J of work.
a) What is the force constant of this spring?
b) What was the maximum force required to stretch it by that distance?
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
A point particle that has a charge of 18.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 14.8 cm, y = 0. The electric force on a point particle that has a charge of 7.4 µC at x = 29.6 cm, y = 0 is -(19.7)..
After the collision, the 0.177 kg puck has a speed of 1.38 m/s at an angle of 27? to the positive x axis. Examine the velocity of the 0.302 kg puck after the collision.
A car driving directly north on the freeway at a speed of 110 km/h and a truck is leaving the freeway driving 85 km/h in a direction 35 west of north
He pushes just hard enough to get the desk moving and continues pushing with that force for 5.00 s. Explain how much work does he do on the desk?
Besides the traditional colorimetric acid/base indicators, there is another class that doesn't use color, the olfactory acid-base indicators! These compounds smell or don't smell based on their pH and a lot of them are plant-derived compounds
A 10 runaway grocery cart runs into the spring with spring constant 230 and compresses it by 65. What was the speed of the cart right before it hit the spring.
A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 5.8 m/s. The rooftop is a distance above the ground, h = 43 m.
A grating with 504 lines/mm is illuminated with light of wavelength 305 nm. What is an angular separation between the two lines formed in order m = 2.
A woman weighs 180 lb. Determine the following her weight in newtons and her mass in kilograms
A 3 m long rigid beam with a mass of 115 kg is supported at each end. An 60 kg student stands 2 m from support 1. How much upward force does each support exert on the beam.
The police officer, knowing that the coefficient of kinetic friction between tires and road is 0.80, compute the speed of the sports car at impact.
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