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Two cars are in a collision at the intersection of Boyd and Elm, tying up after-class traffic. The first car, mass 1050 kg, was heading north on Elm at 11 m/s and the second car, mass 1650 kg, was heading east on Boyd at 15 m/s. Assuming the two cars are locked together, what is the magnitude of their velocity (speed) immediately after the collision?
At table tennis ball has a positive charge of 4.50 × 10-8 coulombs. It experiences a force of 2.72 × 10-3 newtons due to an electric field. What is the strength of the electric field?
In the overhead view of the figure, a long uniform rod of mass m = 0.29 kg is free to rotate in a horizontal plane about a vertical axis through its center. A spring with force constant 360 N/m is connected horizontally between one end of the rod ..
To separate two pieces of paper whose area is 10 cm by 10 cm, you blow across them with an air speed of 2.40 m/s. What is the resulting force on each
the nucleus of 8be which consists of 4 protons and 4 neutrons is very unstable and spontaneously breaks into two alpha
An 9.00 point mass and a 14.0 point mass are held in place 50.0 apart. Find the magnitude of the acceleration of the particle and direction
Jane, looking for Tarzan, is running at top speed, 5.60 m/s, and grabs a 10.5 m long vine hanging vertically from a very tall tree in the jungle. How high can she swing upward? Calculate & Make a sketch.
A plastic bar is rubbed with fur, and the bar aquires a net charge of +8.34 uC. Determine the net charge on the fur
Suppose the coefficient of static friction between the road and the tiers on a car is 0.60 and the car has no negative lift. What speedwill put the car on the verge of sliding as it round a level curveof 30.5 m radius?
during a 78-ms interval a change in the current in a primary coil occurs. this change leads to the appearance of a
Find the voltage drop across each resistor. Find the power dissipated by each bulb and the total power dissipated by the circuit.
At a playground, a 20.2-kg child plays on a slide that drops through a height of 2.40 m. What is the child's speed at the bottom of the slide
The acceleration of gravity at the surface of the moon is approximately 1/6 that at the surface of the earth (9.8 m/s2). What is the weight of an astronaut standing on the moon
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