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The acceleration of gravity is 9.8 m/s2. Obtain the de Broglie wavelength for a ball of mass 1.15 kilogram just before it strikes the Earth after being dropped from a building 33.4 meter tall.
Answer in units of m
A 70.2 kg high jumper leaves the ground with a vertical velocity of 12 m/s. How high can he jump? The acceleration of gravity is 9.8 m/s2.
kilograms of water are changed from ice at 0?C into liquid water at 0?C, determine the change in mass of the water
A 20,000 ohm resistor and a capacitor are connected in series and then a 15v potential differnce is suddenly applied across them. what is the capacitive value of the capacitor
Three masses are placed at different points along a meter stick of negligible mass: 0.09 kg at 0.98 m, 0.04 kg at 0.55 m, Where's the center of mass of the system
At one instant a bicyclist is 35.0m due east of a park's flagpole, going due south with a speed of 20 m/s. Then, 19 s later, the cyclist is 60.0 m due north of the flagpole, going due east with the speed of 11 m/s. For the cyclist in this 19s inte..
A mild structural steel beam has a solid square cross section of 100mm and is simply supported by two supports 3m apart. Calculate the dead load that can be safely supported when applied to the middle beam.
water skiers often ride to one side of the center line of a boat as shown in the figure . in this case the ski boat is
Two resistors, R1=100 Ω and R2=200 Ω, are connected in parallel across a battery. determine the total current through the battery
A 2 kg ball moving towards the West with a speed of 10m/s collides with a 4 kg ball moving towards the North with a speed of 3m/s. Find the velocity of the combination after collision
suppose that the speed of light in a vacuum were one million times smaller than its actual value c 3.00 times 102 ms.
a racing dog is initially running at 10.0 m/s, but is slowing down. By what fraction has its kinetic energy been reduced when its speed has been reduced by half
How many nitrogen molecules must strike a 1 cm2 surface each second to exert a pressure of 1 atm (Assume that the molecules are all moving at the same speed, at a temperature of 300K, and 45 degree angle to the wall).
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