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A poorly tuned Yugo can accelerate from rest to a speedof 28 m/s in 20 s.
a) What is the average acceleration of the car?
b) What distance does it travel in this time?
c) how do I construct a velocity vs. time graph for this?
A hot-air balloon is ascending at the rate of 12 m/s and is 84 m above the ground when a package is dropped over the side. Explain how long does the package take to reach the ground?
In the first part of the experiment you are asked to plot a graph of force versus length. What will be the expression for the slope of this curve
Three point charges Q1 = 2.2 mu or micro C, Q2 = 4.2 mu or micro C and Q3 = 3.2 mu or micro C, are arranged as shown
Two charges, -15 and +3.7 µC, are fixed in place and separated by 2.8 m. (a) At what spot along a line through the charges is the net electric field zero? Locate this spot relative to the positive charge. (Hint: The spot does not necessarily lie b..
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. evaluate the electric field between the plates
Two very small spheres, each with a mass m = 1.5 g, are suspended from a common axis by insulating threads of length L= 6.0 cm, What is the magnitude of the unknown charge q
A rifle with a weight of 30 N fires a 3.0-g bullet with a speed of 240 m/s, Find the recoil speed of the rifle
Find the frequency in terahertz of visible light with a wavelength of 485 nm in vacuum. What is the wavelength in centimeters of electromagnetic microwave radiation whose frequency is 7.61 GHz?
A counter attendant in a diner shoves a ketchup bottle with a mass 0.30 kg along a smooth, level lunch counter. What are the magnitude and direction of the friction force acting on it
Two runners of mass 70 kg and 60 kg,respectively, have a total linear momentum of 350 kg*m/s. The heavier runner is running at 2.0m/s. Examine the possible velocitis of the lighter runner.
A 3 kg toy car with a speed of 5 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 5 m/s, how much kinetic energy is lost
What is the magnitude of the force of upper leg on the lower leg at the knee joint.
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