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Question: A 1100 kg car is moving at a speed of 40.0 m/s. (a) What is kinetic energy of the car? (b) How much work is required to bring the car to rest? (c) Determine the stopping distance if the brakes supply a force of 4400 newtons.
A heavy stone of mass m is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end of the wire, What is the mass m of the stone
In a heart pacemaker, a pulse is delivered to the heart 78 times per minute. What is the capacitance of the capacitor
A 25-kg child is sitting on the seat of a swing 10 m long. Her father pulls the swing back until the swing makes an angle of 37 degrees with the vertical. The gain in potential energy of the child at this point is?
In an experiment using an inclined track with a dynamics cart, the computer failed, find the cart's acceleration, mass, and the tension in the string connecting the cart to the accelerating 50g mass
A diving chamber is cylindrical in nature with the bottom open above the surface of the water the chamber's volume is completely filled with air as the chamber is submerged the air is compressed to a smaller volume
A man seeking to set a world record wants to tow a 108000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. obtain the greatest acceleration the man can give the airplane
A microwave oven operates at 2.4 GHz with an intensity inside the oven of 2350 W/m^2. What is the amplitude of the oscillating magnetic field
What is the force of friction exerted on the backpack by the table?
A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 7.95 mm. The nozzle shoots out water moving at 25.5 m/s. At what speed is the water in the hose moving
Over a certain region of space, the electric potential is given by: V = 3x^2 - 2xy + xyz, Find the expressions for the x, y, and z components of the electric field over this region
A 21.0 g copper ring at 0.000°C has an inner diameter of D = 2.54000 cm. An aluminum sphere at 108.0°C has a diameter of d = 2.54508 cm, What is the mass of the sphere
The largest constant magnetic field achieved in the laboratoryis about 40 T. What is the magnetic energy density due to this field
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