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Two cars collide at an intersection. Car A with a mass of 1800kg, is going from west to east, while car B of mass 1400kg, is going from north to south at 17.0 m/s. As a result of this collision, the two cars become enmeshed and move as one afterwards. In your role as an expert witness, you inspect the scene and determine that, after the collision, the enmeshed cars moved at an angle of 60 south of east from the point of impact.
How fast were the enmeshed cars moving just after the collision?
How fast was car A going just before the collision?
A distance away from a uniformly charged spherical object, the magnitude of the electric field is 575V/m and the electric potential is 3.50kV. (a) What is the distance to the center of the object? (b) What is the magnitude of the charge?
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part (1). What should be the maximum speed of the car so it can round the curve safely.
An ocean liner leaves New York City and travels 19.2 ° north of east for 186km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the directions (1) due east and ..
While pacing in the hallway at a constant velocity, you drop a tennis ball so that it falls towards the floor. calculate the height above the floor from which the tennis ball is released
A plane is flying at an altitude of 10000 metres, and the pitot tube measures a gauge pressure of 10kPa. What is the airspeed of the plane
The wavelength of red helium-neon laser light is 632.8 nm. What is the wavelength of the laser light in the class that has an index of refraction of 1.5 in units of nm, What is the speed of the laser light in the glass in units of 10^8 m/s
Assume that positive -axis is directed toward the direction of motion of cart 2.
An average force of 201 N is exerted to draw the string back 1.3 m. unless otherwise directed, imagine that air resistance is negligible. Illustrate energy bar graphs to solve the difficulty .
A string is stretched between fixed supports separated by 86.5 m. It is observed to have resonant frequencies of 359.000 and 430.800 Hz, What is the wave speed for this string
A runner travels 2 km north, then 1 km west, then 1 km north, then 3 km east. The run took 45 minutes. What was the total path length of the run
What is the maximum potential that the dome of a van de Graaf generator can be safely charged to if its radius is 20cm and the breakdown electric field in air is 3.0MV/m
imagine the water is in freefall as it drops. What charge must be on each plate.
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