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A NASCAR racecar rounds one end of the Martinsville Speedway. This end of the track is a turn with radius approximately 187 ft. If we approximate the track to be completely flat and the racecar is traveling at a constant 62.00 mph around the turn, what is the racecar\'s centripetal (radial) acceleration? Convert this result to SI units. What is the force responsible for the centripetal acceleration in this case?
a box of mass 1.0 kg sits atop a frictionless surface inclined at 30 degree above the horizontal.nbsp it is connected
A high-speed photograph of a club hitting a golf ball, find the average force exerted on the ball by the club
A projectile proton with a speed of v collides elastically with a target proton initially at rest. what is the speed of the projectile proton
A very light rigid rod with a length of 0.523 m extends straight out from one end of a meter stick. Determine the period of oscillation of the system
A loudspeaker of mass 18.0 {rm kg} is suspended the distance of h = 1.20 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.70 {rm m}. What is the tension T in each of the cables? Utili..
On a clear day at a certain location, a 100 V/m vertical electric field exists near the Earth's surface. Compute the energy density of the electric field
Two spheres are launched horizontally from a 1.2 -high table. Sphere is launched with an initial speed of 4.5. find the distance that sphere travels from the edge of the table
A spherical object has an outside diameter of 50.0 . Its outer shell is composed of aluminum and is 1.80 thick. The remainder is uniform plastic with a density of 810. Determine the object's average density.
A copper cup of mass 0.300 kg contains 1.00 kg of water at 315 K. It is cooled so that the temperature decreases by 2.50 K each minute. What is the rate of removal of thermal energy in watts
question 1 the system shown below is released from rest.a determine the smallest coefficient of static friction
An electron that has a horizontal initial speed of 4.50 x 10^6 m/s enters a region that has an electric field of 120 V/m pointing vertically upward. How long does the electron take to travel 9 cm in the horizontal direction
A spring with spring constant 12.5 hangs from the ceiling. A 400 ball is attached to the spring and allowed to come to rest. It is then pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57.0 ..
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