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Problem: There are two water containers: a cube and a sphere. The length of the side of the cube is 3 m and the radius of the sphere is 3 m. When the two containers are full of water, which container contains more mass? Hint: Use the relationship between density, mass, and volume. Mass=density x volume. If the length of the side of a cube is r m, the volume of the cube is r3 m3.
If the radius of a sphere is r, the volume of the sphere is 4/3 xπ x r3 m3. Here x r3 =r x r x r.
Car C of mass 3.0 x 103 kilogram is traveling at 50 m/s. It approaches car D of mass 2.0 x 103 kilogram going 30 m/s in the similar direction and strikes it in the rear. determine which car exerts a larger force on the other
Find the power in sideband, total power, carrier power, carrier rms voltage and the peak voltages for carrier and sidebands of AM transmitter.
An object of mass 6.8 kg is attached to aspring of force constant 1720 N/m. Calculate the maximum velocity the object has during its motion
A 2910 kg speedboat traveling north is slowed down uniformly from an initial velocity of 24 m/s by a 2800 N braking force. What is the boat's velocity after 2.25 s?
A 2.0mm diameter ball bearing has 2.0 x 109 excess electrons. What is the ball bearing's potential
A skateboarder, starting from rest, rolls down a 12.2-m ramp. When she arrives at the bottom of the ramp her speed is 8.61 m/s. Determine the magnitude of her acceleration, assumed to be constant
blocks are lined up in a row on a frictionless table. How much force does the 8.0 block exert on the 7 block.
Suppose the earth suddenly came to halt and ceased revolving around the sun. What would be the earth's speed as it crashed
the 1994 winter olympics included the aerials competition in skiing. in this event skiers speed down a ramp that slopes
A transformer for an answering machine takes an ac voltage of amplitude170V as its input and supplies a8.4V amplitude to the answering machine. How many turns does the secondary have
The magnitude of the field produced by a point charge of +5.4 micro-coulombs has a magnitude of 5.9 x 106 N/C, How far is the point from the charge
Particle A and particle B are held together with a compressed spring between them. When they are released, the spring pushes them apart, and they then fly off in opposite directions, what are the kinetic energies of each particle
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