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A sphere rolls, without slipping, down an incline. The sphere has a mass of 0.450 kg and a radius of 6.78 cm. The incline makes an angle of 21.4° relative to the horizontal. The sphere accelerates down the incline at a rate of 2.97 m/s2. Based upon this information, what is the rotational inertia of the sphere?
Calculate the length of a pipe that has a fundamental frequency of 694 Hz. (Take the speed of sound in air to be 343 m/s.)
A 3.10 kg steel ball strikes a wall with a speed of 10 m/s at an angle of 60 ° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.190 s, what is the average force exerted on the ball by th..
A new electric power plant has an efficiency of 42%. how many are essentially lost as waste heat (in barrels of oil) to the environment
Two masses m1= 1 kg and m2= 2 kg are connected to each other by a massless rope that passes over a pulley with mass mp= 0.5 kg. What is the period (in s) ofsmall oscillations of this system
The 500[m] Short Track speed skating Olympic world record is 39:937[sec] held by American JR Celski. Calculate JR's average speed in [miles=hr] during his record- setting performance.
The radius of the planet Saturn is 5.85x10 meters to the 7th power, and its mass is 5.68x10 kg to the 26th power. Find the density of Saturn
A piece of wood that floats on water has a mass of 0.0175kg. A lead weight is tied to the wood and the apparent mass with the wood in air and the lead weight submerged in water is 0.0765kg. what is the specific gravity of the wood
How large a force F2 must the second crewman pull so that the net force of the two crewmen is in the forward direction.
A bullet is fired vertically into a 1.3kg block of wood at rest directly above it. If the bullet has a mass of 29g and a speed of 470m/s, how high will the block rise after bullet becomes embedded in it.
A piece of moon rock reads 3.261 N on a scale when in air, but 2.074 N in a fluid having a density of 870 kg/m3. What is the density of the moon rock in kg/m3
for this module you will investigate the operation of antennas. antennas can both transmit and receive electromagnetic
a piece of rock reads 2.776 N on a scale when in air, but 1.893 N in a fluid of unknown specific gravity. what is the density of the fluid
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