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Your cat "Ms" (mass 7.00kg) is trying to make it to the top ofa frictionaless ramp 2.00 m long and inclined upward at 30 degreesabove the horizontal . since the poor cat cant get any traction onthe ramp, you push her up the entire length of the ramp by exertings constant 100N force parallel to the ramp. If ms. takes a runningstart so that she is moving at 2.40m/s at the bottom of the ramp, what is her speed when she reaches the top of the incline.
The position of a 1.2kg mass is given by x = (2t^3 - 3t^2)m, where t is in seconds. What is the net horizontal force on the mass at t = 0s
During the initial charge of a capacitor up to its max charge Vo, the initial energy stored in the capacitor is 1/2(CVo)^2 . Show mathematically that this energy is equal to the total energy dissipated as heat in the resistance through which discharg..
A 3.00-m long rod is hinged at one end. The rod is initially held in the horizon position, and then released as the free end is allowed to fall. What is the angular acceleration as it is released
The density of free electrons in gold is 5.90 × 1028 m-3. The resistivity of gold is at a temperature of 20°C and the temperature coefficient of resistivity is A gold wire, 1.1 mm in diameter and 29 cm long, carries a current of 650 mA. The drift ..
What is tension in each rope
A 71kg pole-vaulter falls from rest from a height of 4.6m onto a foam-rubber pad. The pole-vaulter comes to rest 0.4s after landing on the pad.
A baseball is thrown horizontally from from a height of 44.10 mabove ground with a speed of 33.5 m/s. Where is the ballafter 3.00 s have elapsed?
Two adjacent sources each emit a frequency of 800Hz in air where the velocity of sound is 340 m/s. How much farther back would source 1 have to be moved as a result an observer in front of the sources would hear no sound.
A block of aluminum with mass 10.0 g absorbs 176 calories of heat energy as it is heated from 20.0 oC to 100. oC. How much heat does the aluminum release
So I have a 500kg object being lowered by a crane while two people steady it with ropes pulling on either side. what is the tension in the main rope supporting the object
Five charges are placed in a closed box. Each charge (except the first) has a magnitude which is twice that of the previous one placed in the box. find the magnitude of the smallest charge in the box
A quantity of ideal gas at 2°C and 80 kPa occupies a volume of 3.0 m3. How many moles of the gas are present
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