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To save an animal, Tarzan (m = 100 kg) swings from a 5 m long rope that makes an angle of -60 degree with the horizontal initially. If the animal has a mass of 50 kg, to what new height will they swing together?
Air which may be treated as an ideal gas, is compressed from 100 kpa to 1500 kpa in a quasisatatic manner so that it obeys the relation ....pV^1.3 = constant determine the amount of work necessary to compress 100kg of air. The initial temperature ..
The suspension system of a 1700 kilogram automobile "sags" 11 centimeter when the chassis is placed on it. Compute the values of the damping constant for the spring
What is the total amount of heat energy deposited in resistor R? Hint: there is no need to use a differential equation to solve this problem, or to use any of the formulas for power in a resistor.
Charge B exerts a repulsive force (directly away from B) on charge A of 4.5N. Find the magnitude of the net force on charge A
train engine has a mass of 2.1 x 107 and is moving acrossed a bridge at 23.9 miles per hour what is the kinetic
A 1.5 kilogram block is at rest on a horizontal frictionless surface. The block is attached to a spring that is itself fixed to the wall. Find the speed of the bullet and block just after impact
An object is located 15 cm in front of (to the left of) a converging lens with a focal length of 10 cm. To the right of the converging lens, compute the location of the final image
A bat flying in complete darkness emits high frequency sound of 100 kHz to locate objects. What is the frequency in which the bat is received
A ball is thrown upward from the ground with an initial speed of 25 m/s, at the same instant another ball is dropped from a building 15 m high. How long will the balls be at the same height
On a spacecraft, two engines fire for a time of 598 s. One gives the craft an acceleration in the x direction of ax = 4.92 m/s^2, while the other produces an acceleration in the y direction of ay = 7.60 m/s2. At the end of the firing period, the c..
When a 45.0-V emf device is placed across two resistors in series, a current of 15.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel,
A 4.0x104 kg spaceship located halfway between them. What is the total potential energy of the ship
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