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A paralel plate capacitor is moving with a speed of 32m/sthrough a 3.6 T magnetic field. The velocity is perpendicular tothe magnetic field. The electric field within the capacitor has avalue of 170N/C, and each plate has an area of 7.5x10^-4m^2. What is the magnetic force (magnitude and direction) exerted on the positive plate of the capacitor?
An engine develops 490 N m of torque at 3750 rev/min. Find the power developed by the engine
spring stretches by 0.0186 m when a 3.24-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 5.53 Hz
What is the magnitude of the acceleration of rock.
a wall clock has a minute hand with a length of 0.48 m and an hour hand with a length of 0.26 m. take the center of the
Recall the relation between angular and linear acceleration! After 0.5 sec by what angle has the disk spun and what is its angular speed at that moment.
If the maximum acceleration that is tolerable for passengers in a subway train is 1.99 m/s2 and subway stations are located 790 m apart, What is the travel time between stations
A boy of mass 35 kg and a girl of mass 40 kg are skating towards each other with speeds of 2.5 m/s, and 2.0 m/s respectively. Assume that there is no friction, and find their combined velocity after they meet
he sun radiate a power of 3.9 x 10 ^ 26 watt in space . The earth orbits around the sun of radius of 1.5 x 10 ^11 m, What is the intensity of sun light on the noon time at the equation on the winter days
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 8.5×10^?3 m/s^2 less than that at sea level. What is the observatory's altitude
A simple pendulum consists of a small object of mass m (the "bob") suspended by a cord of length l of negligible mass. A force F is applied in the horizontal direction (so F is Fi), Determine the work done by the gravitational force on the bob
A fan rotating at 20 rpm slows down by a constant acceleration and comes to a stop in a time of 4.7 s. What is its angular displacement in this time? Give your answer in radians, do not enter units.
A 14.4 cm long tendon was found to stretch 3.79 mm by a force of 11.1 N. Calculate the Young's modulus of this tendon
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