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1. A 53 newton horizontal force pushes a 5.0 kg mass sitting on a horizontal surface. Additionally, the horizontal surface exerts a 30 newton frictional force on the mass. What is the acceleration of the mass?
2. A 2200 kg car is moving at a speed of 38.0 m/s. Determine the stopping distance(in meters) if the brakes supply a force of 3500 newtons.
A block is pushed up a frictionless incline by an applied horizontal force of 20 Newton. Find the magnitude of the resulting acceleration of the block
Someone will carry two different load mA = mB = 30 kg and 50 kg. The second load was attached to the ends of massless rod of length 2 m. What is the distance the shoulders of bearers with mA load will be in balance?
If 4.36 centimeter is the diameters of the piston, determine force magnitude on the small piston will balance a 28.2kN force on the large piston
An ideal gas is contained in a cylinder with a movable piston. The gas is then heated through an isobaric process. how much work is done by the gas
A sphere of radius 1.0 cm is dropped into a glass cylinder filledwith a viscous liquid. What is the viscosity of the liquid
What is the sound level of a sound whose intensity is 6.5 × 10-8 W/m2, What is the intensity of a sound whose sound level is 30 dB
a silvered sphere is used as a christmas tree ornament has a diameter of 0.08 m. a girl holds the ornament 0.2m from
An electron moves to the right with a speed of 0.83c relative to the laboratory frame. Find the speed of the proton relative to the laboratory frame
A cork 2.0 cm in radius is used to close one end of a tube whose other end is connected to a vacuum pump. How much force would be needed to pull the cork out
An elevator cable can withstand a maximum tension of 19,500N before breaking. The elevator has a mass of 480 kg and a maximum acceleration of 2.24 m/s2. Engineering safety standards require that the cable tension never exceed two-thirds of the breaki..
According to the Youth Risk Behavior Surveillance 2001 survey by the Centers for Disease Control and Prevention, 33.4% of the 9th-grade girls and 35.9% of the 12th-grade girls considered themselves overweight. Assume that these percentages are bas..
Using the graph, determine the maximum height reached by the ball.Express your answer to one decimal place.
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