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In a crash test, a test car of mass 1711 kg is moving at a speed of 37.2 m/s when it crashes into a wall. If the car comes to rest in 0.5 s, how much average power (in W) is expended in this process?
A mass on a spring bobs up and down over a distance of 25 cm from the top to the bottom of its path twice each second. What are its period and amplitude
A 100 liter water tank is filled to the brim with water when the temperature is 5.00°C. Water has a coefficient of volume expansion of 207 × 10-6/°C. what is the volume of water that overflows the tank
Picture a uniform disk with a circular hole cut out of it. The disk has a radius of 4.00 m. What is the x-coordinate of the center of gravity of the system
An MSU linebacker of mass 118.0 kg sacks a UM quarterback of mass 87.0 kg. Just after they collide, they are momentarily stuck together, how fast was the linebacker moving just before the collision
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
A dolphin jumps with an initial velocity of 12.5 m/s at an angle of 36.0° above the horizontal. how high above the water is the center of the hoop
The graph below shows the rotational behavior of an object with moment of inertia of 16 kgm. Calculate the magnitude of the constant average torque that acted on the system
A 23 g ball is fired horizontally with initial speed toward a 110 g ball that is hanging motionless from a 1.1m long string. The balls undergo a head on, perfectly elastic collision, after which the 110 g ball swings out to a maximum angle theta m..
A jet flying faster than the speed of sound creates a shock cone of high pressure air. What will be the angle of the shock cone
Three equal charges are placed at the corners of an equilateral triangle 0.50 m on a side. What are the magnitude of the force on each charge if the charges are each -4.5×10^-9 C?
A 21.0 m tall hollow aluminum flagpole is equivalent in strength to a solid cylinder of aluminum 3.50 cm in diameter. How far to the side does the top of the pole flex
You have a string with a mass of 14.1 g. You stretch the string with a force of 8.63 N, giving it a length of 1.93 m. What is the wavelength of the standing wave you create in the string
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