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A car starts from rest and accletation uniformly for 10s to a velocity of 8m/s. If then runs at a constant velocity and is finally brought to rest in 64m with a constant retardation. The total distance covered by the car is 584 m. Find the value of accleration, retardation and total time taken?
Suppose that the net horizontal force is as a result of rolling friction only and take the free-fall acceleration to be g = 9.80 m/s^2.
A 190 kg block is pulled at a constant speed of 4.4 m/s across a horizontal floor by an applied force of 138 N directed 37° above the horizontal. Illustrate what is the rate at which the force does work on the block?
An open-open organ pipe is 67.9 cm long. AN open-closed pipe has an essential frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe.
Two capacitors give an equivalent capacitance of 9.00 pF when connected in parallel and an equivalent capacitance of 1.95 pF when connected in series. What is the capacitance of each capacitor?
how to estimate the initial temperature of the hot horseshoe.
Can you please help me set this problem up? Suppose that now you want to make a scale model of the solar system using the ball bearing .0014 m to represent the sun. (a) How far from it would you place a sphere representing the earth?
A point charge 8.00 nC is at the center of a cube with sides of length 0.200m. what is the electric flux through: (a) the surface of the cube (b) on of the six faces of the cube?
A massless spring with spring constant 22.10 N/m hangs vertically. A body of mass 0.280 kg is attached to its free end and then released. Assume that the spring was unstretched before body was released. How far below the initial position does the ..
An object of mass m is attached to a horizontal spring, stretched to a displacement A from equilibrium and released, undergoing harmonic oscillations on a frictionless surface with period T0. The experiment is then repeated with a mass of 4m. The sub..
What is the caused by sun wind in upper atmosphere
An intergalactic rock star bangs his drum every 1.70s. A person on earth measures that the time between beats is 2.5s. How fast is the rock star moving relative to earth.
If the company is presently selling 45,000 units, but plans to spend an additional $108,000 on an advertising program, explain how many additional units must the company sell to earn the same net income it is now making?
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