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A cart of mass 500g is running with a speed 0.8m/s to the right; another cart of mass 800g is running with a speed 0.6m/s to the left. What is the magnitude of the total momentum of the carts?
What is the magnitude of the net force on the student. A student who weighs 470N is wearing a backpack that weighs 84N. The student is standing still on level ground.
The average density of the planet Neptune is 1644 kg/m3. The acceleration of gravity on its surface is 11.32 m/s2. Calculate the average radius of Neptune
A particle leaves the origin with an initial velocity of 4.20 m/s in the x direction, and moves with constant acceleration ax = -1.80 m/s2 and ay = 2.30 m/s2. a-How far does the particle move in the x direction before turning around? b-What is the..
A coffee-maker contains a heating element that has a resistance of 34 ohms. What is the current in the heating element
To get the top spinning, its string is pulled with a tension of 0.30. Explain how long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
A high-speed photograph of a club hitting a golf ball is shown in the figure below. find the average force exerted on the ball by the club
A baseball player runs 27.4meters from batter's box to first base,overruns first base by 3.0 meters,and then returns to first base. Compared to the total distance traveled by the player,magnitude of the players total displacement from the batters ..
Suppose you walk 18 m straight East and then 26.5 m straight South. How far are you from your starting point in meters
Amy (mass 60kg) and initial velocity +7.5m/s, is skating on ice toward Bob (mass 90kg) and initial velocity +4.0m/s. They collide at some point. Determine amys final speed
A coil of 150 turns of wire is in the form of a circle, carries a current of 63 mA, and sits in the center of a dipole magnet, What is the radius of the coils
How much work is needed to move a 120-kg refrigerator.
If the converging lens in a slide projector has a focal length of 104.00 mm and the slide is located 109 mm from the lens, Determine the dimensions of the image of the slide
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