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When a3.0µF capacitor is connected to a generator whose rms output is29V, the current in the circuit is observed to be0.30A. What is the frequency of the source?
Hz
In a calorimetry experiment an unknown amount of steam at 100 C is added to 1.5 kg of ice at 0C in a well insulated and sealed container. What is the mass of steam which was added to the ice
A string that is fixed at both ends has a length of 1.81 m. When the string vibrates at a frequency of 84.3 Hz, a standing wave with five loops is formed. What is the fundamental frequency of the string
A 3.50-kg steel ball strikes a wall with a speed of 13.0 m/s at an angle of ? = 60.0° with the surface. what is the average force exerted by the wall on the ball
Someday in the future, an astronaut on Mars (where gMars = 3.71 m/s^2) might lean over the edge of 25.0-meter-tall spacecraft , What will be the package's speed when it strikes the ground
question1an atomic nucleus of mass 230 u moving at 400 ms emits an alpha particle of mass 4.0 u in direction of its
On an essentially frictionless horizontal ice-skating rink, a skater moving at 2.6 m/s encounters a rough patch that reduces her speed by 48 % to a friction force that is 20 % of her weight
A laser-beam is fired through the air into a solid block of diamond (don't ask where we got it, it's a secret). What is the angle of refraction within the diamond
q1. a trapeze artist swings in simple harmonic motion with a period of 7.0 s. the acceleration of gravity is 9.81 ms2.
A 38 ohm resistor is made from a coil of copper wire whose total mass is 11.2 g. Find out the length and diameter of the wire.
A 7.80-g bullet moving at 560 m/s penetrates a tree trunk to a depth of 5.2 cm. Use work and energy considerations to find the average frictional force that stops the bullet
What is the force of air resistance. how high was the jump.
You're an optometrist, mounting a projector at the back of your 4.2m -long exam room, 2.6m above the floor. At what height should you center the pattern on the wall
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