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Questions -
Q1. An electric forklift truck is capable of doing 5.5 x 105J of work on a 2.0 x 104 kg load to raise it vertically at constant velocity. To what height can the truck lift the load?
Q2. Estimate your own gravitational potential energy relative to the ground when you are in your bed. Show all your workings.
Q3. A 5.0 kg monkey swings from one branch to another branch 0.8 m higher. What is its change in potential energy?
Q4. How much work is required to accelerate a 1500 kg car from 18 km/h to 72 km/h?
The space shuttle performs a retro burn for 3.5min to go from an orbital velocity of 17,500mph to re-entry velocity of 5000mph.
An ideal monatomic gas expands isothermally from 0.600 m3 to 1.25 m3 at a constant temperature of 600 K. If the initial pressure is 1.10 105 Pa. Find the work done on the gas
A Synchronous Turbo Generator is otating at 1800rpm, has acylindrical rotor(the rotor is the rotating component of the Turbogenerator) 3meters long, What is the kinetic energy possessed by the spinning rotor
A spherical drop of water carrying a charge of 28 pC has a potential of 505 V at its surface (with V = 0 at infinity). What is the radius of the drop
a briefly describe the davidson-germer experiment. how does it support the de broglies hypothesis?b what is bragg
Mitch is sitting at rest on a wheeled chair in a long hallway. Mitch and the chair have a combined weight of 540 N. how far will Mitch travel after catching the ball
If the capacitor and unductor in part (a) are connected in an L-C circuit, what will be the resonance angular frequency of that circuit
A pendulum has a length of 1.75 m. At a location where the acceleration due to gravity is 9.8 m/s2, what is the frequency of the oscillation? How long would the pendulum have to be so that the frequency would be half of the value found in part a?
A physicist lost in the mountains tries to make a telescope using the lens from his reading glasses. They have powers of +2.0 D and +4.5 D, respectively. What maximum magnification telescope is possible?
the first-order line of 571 nm light falling on a diffraction grating is observed at a 17.9 deg angle, at what angle will the third order be observed
In an amusement park ride, cars are suspended from L = 4.29 m cables attached to rotating arms at a distance of D = 6.11 m from the axis of rotation. What is the angular speed of rotation
q1. an automobile with a mass of 1340 kg has 3.00 m between the front and rear axles. its center of gravity is located
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