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A 3.00 kg block starts from rest at the top of a 35.5° incline and slides 2.00 m down the incline in 1.30s.
1) Find the acceleration of the block.
2) Discover the frictional force acting on the block.
3) Discover the speed of the block after it has slid 2.00 m.
4) Find the coefficient of kinetic friction between the block and the incline.
A spaceship moves past you at speed v. You calculate the ship to be 364 m long, whereas an astronaut on the ship measures a length of 420 m. Find v.
two small objects a and b are fixed in place and separated by 3.03 cm in a vacuum. object a has a charge of 2.04 microc
In the operating room, anesthesiologists use mass spectrometers tomonitor the respiratory gases of patients undergoing surgery. Onegas that is often monitored is the anesthetic isoflurane (molecularmass = 3.06 x 10-25 kg). In a spectrometer, a sin..
q1. a slingshot consists of a light leather cup attached between two rubber bands. it takes a force of 26 n to stretch
A 900 kg car enters an unbanked curve with a radius oof 75.0 m. The coefficient of static friction between the tires and roadbed iis .20. what is the maximum speed with which the car can safely negotiate
a vertical concrete dam is built in the ravine between two hills. The face of the dam slopes equally on both sides at an angle of 45.0o to the horizontal. Find the horizontal force on the dam just due to the water
A spring of stiffness 25 kN m-1 is compressed by an initial load of 5 kN, gradually applied, What is the total work done on the spring
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.30 m/son a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 39.0 m/s and passes during the target, which is stopped by the impact. What..
An "extreme" pogo stick utilizes a spring whose uncompressed length is 48 and whose force constant is 1.1×104. Calculate her upward acceleration, in g's at that moment
An electric generating plant boils water to produce high- pressure steam. The steam spins a turbine that is connected to the generator. How many liters of water must be boiled to fill a 6.0m3 boiler with 52atm of steam at 440oC
If 3.15×10-4 J of work are required to move 17.7? C of charge from one point to another, what is the electric potential difference between the two points
A transmission line that has a resistance per unit length of4.5*10^-4 ohms/meter is to be used to transmit 5.00MW over 400miles (6.44 *10^5m). WHat fraction of the input power is lost to the line underthese circumstances
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