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A certain speed boat weighs 5,880 N. It can accelerate from 0 to 40 m/s in 5 seconds.
a) What is the mass of the boat?
b) What is the acceleration?
c) How large is the net force acting on the boat?
a point charge q1=2 microC is located on the positive y axis at y=0.30 m, and an identical charge q2 is at the origin. Find the magnitude and direction of the total force
A 30-caliber rifle with a mass of 2.84 kg fires a 9.73- g bullet with a speed of 556 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder
A boxer receives a horizontal blow to the head that topples him over. The force, of magnitude 1.06 x 10^3 N, is applied for 1.1 x 10^-2 s at a point 1.82 m above the floor. Find the boxer's final angular velocity
Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. What should be the distance (in m) between the two swings
a) Determine the magnitude and direction of the electrostatic force acting on particle A in the figure given below due to particles B and C . The values of the charge on these particles are indicated in the figure.
The total impedance of an RC circuit with a resistance of 200 ? is 1060 ?. If the frequency of the applied voltage is 20.0 Hz, what is the value of the capacitance in this circuit
A spring of constant 290 N/m is used to launch a 1.2 kg block along a horizontal surface whose coefficient of sliding friction is 0.27
A 62 kg woman cheats on her diet and eats a 637 Calorie (637 kcal) jelly donut for breakfast. How many stairs must the woman climb to perform an amount of mechanical work equivalent to the food energy in one jelly doughnut
Two heavy pendula of mass m are suspended from strings of length l inside a railroad car of mass M that can roll freely on horizontal tracks (ignore the moment of inertia of the wheels).
Scientists want to place a 3 × 103 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.8 times the radius of Mars above the surface of the planet, What is the force of attraction between Mars and the satel..
A person who weighs 620 N stands at x = 5m, right on the end of a long horizontal diving board that weighs 350 N. The diving board is held up by two supports, one at its left end at x = 0, and one at the point x = 2.00 m.
A quarterback makes a pass, throwing the ball at 22 m/s and an angle of 63° above the horizontal. What is the maximum height of the ball in flight
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