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Question 10

A force of 15.6 N is exerted on for 112.16 sec on a mass.

What is the impulse of the force?

A high-voltage transmission line carries 756 A at 488 kV for a distance of 169 km. If the resistance in the wire is 0.248 Ω/km, how much power is dissipated due to resistive losses? Answer in units of W.

Why doesn't a two battery flashlight work when one of the batteries is in upside down

How long will it take a cyclist with a forward acceleration of - 0.50 m/s squared to bring a bicycle with an initial velocity of forward of 13.5 m/s to a complete stop? show the formula and your work.

What force do you need to exert on the rope if you want to pull the box at constant speed?

Why does alternating current change direction 50 to 60 times per second?

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.

A 2kg blob of putty moving at 4 m/s slams into a 6kg blob of putty at rest what is the speed of the to stick together blobs immediately after colliding

A stone is thrown vertically upward with a speed of 12m/s from the edge of a cliff 70 m high (a) How much later it reaches the bottom of the cliff? (b) What is its speed just before hitting? And (c) what total distance did it travel? (Ans: 5.