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In a certain time period a coil of wire is rotated from oneorientation to another with respect to a uniform 0.38-T magneticfield. The emf emf induced in the coil is4.7 V. Other things being equal, whatwould the induced emf be if the field had a magnitude of 0.55 T?
Suppose a star the size of our Sun (R0 = 695,500 km) rotates at a speed of 1.0 revolution every 12 days. what would its new rotation speed be
A heavier mass m1 and a lighter mass m2 are 19.0 cm apart and experience a gravitational force of attraction that is 9.20 10-9 N in magnitude. Determine the value of each individual mass
Suppose you throw a 0.048-kg ball with a speed of 10.7 m/s and at an angle of 32.1° above the horizontal from a building 11.5 m high. What will be its kinetic energy when it hits the ground
A car backs out of a driveway in front of a fire truck. The driver of the fire truck takes 0.18s to hit the brakes. How far away from the car was the fire truck when the driver first saw the car
A turntable 1.90 in diameter rotates at 76.0 . Two speakers, each giving off sound of wavelength 31.1 , are attached to the rim of the table at opposite ends of a diameter. What is the greatest beat frequency the listener will receive from this sys..
An ion with charge q is distance r from a molecule with polarizability (alpha). Find an expression for the magnitude force F
Early in the morning, when the temperature is 5.0°C, gasoline is pumped into a car's 45 L steel gas tank until it is filled to the top. How much gasoline spills out in this case
A projectile is launched with an initial speed of 40.0 m/s at an angle of 40.0° above the horizontal. The projectile lands on a hillside 4.00 s later. What was the impact velocity of the projectile
The force stretching the D string on a certain guitar is 156 N. What is the speed of the waves on the string
A student could either pull or push, at an angle of 30? from the horizontal, a 55kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20 C, your 1200 square ft house might lose heat through the walls at a rate of 4000 W. How much energy might you lose in one week?
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 80.6 m/s in 12.6 seconds, find the acceleration of the aircraft when it launches
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