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Q1. A wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. How far will a point on edge of the wheel have travelled in this time?
Q2. The inner conductor of a coaxial cable has a radius of 0.800 mm, and the outer conductor's inside radius is 4.00 mm. The space between the conductors is filled with polyethylene, that has a dielectric constant of 2.30 and a dielectric strength of 18 106 V/m. What is the maximum potential difference that this cable can withstand?
The angular momentum of the electron as it moves around the center of the circle is 1.40 × 10-25J•s.Find the radius of the circular path.
How much work did the movers do (horizontally) pushing a 190-{rm kg} crate 11.2 m across a rough floor without acceleration, if effective coefficient of friction was 0.60.
What is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance.
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
The rocket fires for 10 mins , after that the asteroid is moving at 30 degrees to its original path at the speed of 18 km/h/ Find its average acceleration.
How many 95W light bulbs can you use in a 120V circuit without tripping a 17A circuit breaker? (The bulbs are connected in parallel, which means that the potential difference across each light bulb is V.)
What is acceleration of the elevator
Find out the depth of the kerosene
What are the d irections of electric field
What is torque exerted by the fish about an axis
Compute the force of tension or compression
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
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