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A conical pendulum is formed by attaching a 67.0 gram mass to a 1.1 meter string. The mass swings around a horizontal circle of radius 29.0 centimeter. Find what is the speed of the mass? Find what is the acceleration of the mass?
An ideal gas at 300k has a volume of 15 liters at 15atm. calculate the final volume of the system, the work done by the system, the heat entering or leaving the system, the change in internal energy and the change in the enthalpy when the gas unde..
A 1.50m long ramp is inclined at 20 degree to the horizontal. A solid ball is released from rest at the top of the ramp. Find its translational acceleration
A 4.5kg ball with a velocity of 4.0m/s in the+x-direction collides head-on elastically with a stationary 1.8kg ball. What is the speed of the first ball after the collision
When you drop two balls at once, why doesn't only one marble come off the end twice as fast? Write down the kinetic energy of one marble with mass m and velocity 2v
A car starts from rest and travels for 6.0 s with a uniform acceleration of +2.9 m/s2. How far has it gone
The height of a helicopter above the ground is given by h = 3.15t3, How long after its release does the mailbag reach the ground
Vector A~ has a magnitude of 9 and points in the positive x-direction. Vector B~ has a magnitude of 19 and makes an angle of 38? with the positive x-axis
If the frequency is held constant at 1350 Hz and the length of the closed (at both ends) tube is increased from zero, sketch the tube showing this expansion of length and the position of the nodes and anti nodes for the first three resonances.
A student ofmass m standsat one end of a long log of length l and mass M, which is floating on the campuspond at right angles tothe shore. Assume there is no friction between the logand the water.
A planet's moon travels in an approximately circular orbit ofradius 7.4 107 m with a periodof 6 h 9 min. Calculate the mass of the planet from thisinformation.
While a magnet is moved toward the end of a solenoid, avoltage differnce is induced between the two ends of the solenoid wire. The volatage difference would be larger if
A car of mass 1500 kg rounds a circular turn of radius 20m. how fast can the car travel without skidding
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