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An AC generator consists of 6 turns of wire. Each turn has an area of 0.040m^2. the loop rotates in a uniform field (B=0.20T) at a constant frequency of 50 Hz. what is the maximum induced emf?
The acceleration of gravity is 10 m/s2. What is the acceleration of a 39 kg pail of cement that is pulled upward (not sideways) with a force of 421 N? Answer in units of m/s2.
The 5.35- kg weight that drives the time mechanism of a grandfather clock descends 19 cm in exactly 24 hours. What power is delivered to the mechanism
Carbon-14 has an activity of 0.25 Bq per gram of carbon for living organisms. The half-life of Carbon-14 is 5730 years. how old is the material
Suppose that a NASCAR race car is moving tothe right with a constant velocity of +97 m/s. What is the averageacceleration of the car? Twelve seconds later,the car is halfway around the track and traveling in the oppositedirection with the same speed...
Find the speed of sound in a thin rod of copper, which has a sheer modulus of 4.5 1010 Pa and a density of 8.90 103 kg/m3
A bullet of mass 7.00g is fired horizontally into a wooden block of mass 1.21kg resting on a horizontal surface. compute the initial speed of the bullet
If a 56 diameter circular disk is uniformly angularly accelerating at a rate of 5.0 rad/s2, What angle is subtended over that time
A sports car accelerates in third gear from 48 km/h to 83.5 km/h in 3.7 s. What is the average acceleration of the car
a catapult launches a rock towards a hill 500m away. the rock lands on the hill 20m above the release point of the rock. find the max height of the rock during flight
If a heat engine absorbs 940.0 J of heat from the hot reservoir and exhausts 330.0 J of heat to the cold reservoir, what was the work done by the engine
a man drives a gar at a speed of 125.5 kmh. the man applies the breaks upon reaching this speed. if the combined mass
Three forces acting on an object are given by Force 1 = (?1.5i + 5.50j) N, Force 2 = (4.85i ? 1.9j) N, and Force 3 = (?41.5i) N. What are the velocity components of the object after 17.0 s
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