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A race car rounds a curve at 59 m/s. The radius of the curve is 439 m, and the car's mass is 615 kg. (Assume the car's speed remains constant. Take the radially inward direction to be positive. Indicate the direction with the sign of your answer.)
(a) What is the car's (centripetal) acceleration?
(B) What is it in G's?
(c) What is the centripetal force acting on the car?
Find out the angle of the thread. If the locomotive can exert a constant pull of 8.36E+5 N, how long does it take to increase the speed of the train from rest to 80.7km/hr.
an 8.00kg point mass and a 14.5kg point mass are held in place 50.0 cm apart. Find the magnitude of the acceleration of the particle
The three capacitors C= 2.0E-6F in series are connected across a 30V battery. Find the potential difference across each
you are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs
A 40.00-W eletric motor is able to accelerate a 8755 g car from rest to 30.00 mph in 31.10 seconds. Calculate the efficiency of the motor
An incident photon of energy 8 eV knocks out the electron from metal surface with KE of 7 eV, Find the work function of the metal surface in eV
The mass of the Moon is 7.35 × 10^22 kg, whereas that of Earth is 5.98 × 10^24 kg. The average distance from the center of the Moon to the center of Earth is 384,400 km.
Calculate the conduction rate of heat H=deltaQ/deltaT through an A=2.0 m^2 glass window of the thickness of the glass is 4 mm and the temperature difference between the inside and the outside is 20 degree celsisus
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
Inside a motor, 30.0 A passes through a 250-turn circular loop that is 10.0 cm in radius. What is the magnetic field strength created at its center
Consider an airplane flying at Mach 4 at 70,000 feet. A shock is formed due to supersonic flow. Find the total pressure at the nose using 3 approaches
In a supernova, a red giant of mass 1.19*1031 kg collapses into a neutron star of mass 5.97*1030 kg
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