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Two spheres are launched horizontally from a0.82-m-high table. Sphere A is launched with an initial speed of4.23 m/s. Sphere B is launched with an initial speed of 2.46 m/s.
What is the time for first sphere to hit the floor?
What is the time for second sphere to hit thefloor?
What is the distance that the first sphere travels fromthe edge of the table?
What is the distance that the second sphere travelsfrom the edge of the table?
A small 15.0-g bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. What is the angular speed of the bar just after the frisky insect leaps
An unmarked police car traveling a constant 95km/h is passed by a speeder traveling 145 km/h. exactly 2.5 s after the speeder passes, police officer steps on accelerator; if the police car's acceleration is 2.10m/s^2.
A position-time graph for an object moving in the - dir'n and accelerating from a low velocity to a high velocity is shown below. If the object is moving in the - dir'n, then the slope of a p-t graph would be -. If the object is changing velocity fro..
A 2.0 kg tether ball is attached to a vertical pole by a 1.5 m long rope. The ball is swung around the pole at an angle of 60 degrees from vertical. how does the tension and angle of the rope change
Two small spheres spaced 35.0 apart have equal charge. How many excess electrons must be present on each sphere
An electric current of 200 mA is maintained for 3 sec in a 20-ohm resistor. The temperature of the resistor remains constant at 25 C. What is the change in the entropy of the resistor?
you notice that the image flips when you are 0.500 m from the mirror. Determine the radius of curvature for the mirror
A 0.145 kg baseball pitched at 45.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. calculate the average force between the ball and bat during contact
Suppose the speed of light in a vacuum were only 25.5 mi/h. Find the length of the bicycle being ridden at a speed of 20.0 mi/h as measured by an observer sitting on the park bench, given that its proper length is 1.59 m.
An automobile tire has a radius of 0.307 m, and its center moves forward with a linear speed of v = 18.3 m/s, Determine the angular speed of the wheel
A uniform plank of length 5.70 m and weight 215 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 452 N walk on the overhanging part of the plank before it just be..
its nighttime and youve dropped your goggles into a swimming pool that is 4.0m deep. if you hold a laser pointer 1.1m
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