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A student throws a water balloon vertically downward from the top of a building. The balloon leaves the thrower's hand with a speed of 15.0 m/s
What is the magnitude of its velocity after falling 10.1m?
What is its speed after falling for 2.20s?
How far does it fall in 2.20s?
what are the currents that the block can carry.
Two spherical shells have a common center. A -2.1 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.0 10-6 C charge is spread uniformly over the outer shell.
What distance does baseball move before its release
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.220 s, elucidate what is the average force exerted on the ball by the wall?
Consider two vectors where F_1= 84 N, F_2 = 46 N, theta_1= 5 degrees, and theta_2 = 144 degrees, measured from the positive x axis with the counter-clockwise angular direction as positive. What is the magnitude of the resultant vector F = F_1 + F_..
Assume that the masses of the chains, pulleys, and ropes are negligible and the crate is rising with an acceleration of 2.6 m/s2. Identify the force.
A factory worker pushes a 30kg crate a distance of 4.50 meters along a level floor at constant velocity by pushing it downward at an angle of 30degrees below the horizontal. The coefficient of kinetic friction between the crate and the floor is 0...
You push with a 20N horizontal force on a 2 kg mass resting on the horizontal surface against a horizontal friction force of 12N. What is the acceleration.
An elevator and its load have a combined mass of 1600 kg. Find the tension in the supporting cable when the elevator, originally moving downward at 12 m/s, is brought to rest with constant acceleration in a distance of 28 m.
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
The difference in piezometric pressure, pz,A – pz,B. Express both answers in kPa and pressure differences pA - pB.
An air column in a glass tube is open at one end and closed at the other by a movable piston. The air in the tube is warmed above room temperature, and a 356 Hz tuning fork is held at the open end. Resonance is heard when the piston is at a distan..
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