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An electric field of magnitude 5.25 ? 105 N/C points due south at a certain location. Find the magnitude and direction of the force on a-3.70 μC charge at this location.
magnitude: N
direction:
A 1000-kilogram race car is traveling at 60 m/s around a curved section of track that has a radius of 300 m. What is the car's centripetal acceleration? What is the centripetal force that acts on the car?
A rectangular boat is overloaded so that the water level (in fresh water) is just one centimeter (1.0 cm) below the top of the boat. what is the combined mass of all the people and the boat combined
A uniform disk of radius 0.469 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
A velocity selector 1ms a magnetic field of magnitude 0.3 T perpendicular to an electric field of magnitude 0.32 MV/m. The mass of an electron is 9.11 times 10-31 kg. How much energy must electrons have order to pass through undeflected? Answer in un..
A 250. MW coal-fired power plant burns fuel with an energy density of 35.0 MJ kg-1. Water enters the temp reduction towerat 293 K and leaves at 350. K at a rate of 4200. kgs-1.
An irregularly shaped object 10 m long is placed with each end on ascale. If the scale on the right reads 74 N and the scale on the left reads 93 N, how far from the left is the center of gravity?
A boy ties a small stone to one end of a string and holding the other end, he whirls the stone above his head in a horizontal circle. If the stone has a mass of 0.5 kg, find the centripetal force on the stone
A particle leaves the origin with an initial velocity v=(2.4m/s)x and moves with constant acceleration a=(-1.90 m/s2)x + (3.20m/s2)y. What is the particles velocity at this time
Explain how will the acceleration due to gravity at the surface of planet X compare to the acceleration due to gravity at the surface of earth?
The bullet passes right through and emerges on the other side with a speed of 100 m/s, and the saxophone is given a speed of 4.8 m/s.
Over what distance does another astronaut at the radius 215.0m on the outer ring move in the same time? Over what angle, in degrees, did the space station rotate in this period?
If the car in problem 1 traveled at 36.0km/h during the first part of the trip and at 90.0km/h during the remainder, Calculate the average velocity for each part of the trip
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