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The same force that gives the standard 1 kg mass an acceleration of 1.00 m/s2 acts first on body A, producing an acceleration of 0.540 m/s2, and then on body B, producing an acceleration of 0.339 m/s2. Find the acceleration produced when A and B are attached and the same force is applied.
A 17-cm-long microscope has an eyepiece with a focal length of 3.1cm and an objective with a focal length of 0.35cm. What is the approximate magnification
A sprinkler mounted on the ground send out a jet of water at 30 degrees angle to horizontal. How far does the water travel before it hits the ground
The ball is caught 55.3841m from the thrower. The acceleration due to gravity is 9.81m/s square. Explain how long is it in the air?
It takes a minimum distance of 48.96 m to stop a car moving at 12.0 m/s by applying the brakes (without locking the wheels). find the minimum stopping distance
A 2.0{\rm mm} -diameter ball bearing has 3.0×109 excess electrons. What is the ball bearing's potential
A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular paths
Assuming that the bricks are lifted with constant speed, illustrate what is the minimum power the motor must produce?
Illustrates a FBD of the person
You use a concave mirror to focus the light from the sun to a small point. Is this point located at the focal point, further from the mirror than the focal point, or closer than the focal point? Explain
A wheel experiences a time dependant angular acceleration given by ?(t) = 3 + 0.333t^3. Derive an expression for the angular velocity as a function of time
A solid disk is rotating clockwise with an angular velocity of ? = 3 rad/s. Find the moment of inertia of the disk
What is the work done by the tension in the cable.assume the roller coaster (h1 = 34 m, h2 = 13 m, h3 = 30) passes point A with a speed of 3.10 m/s. If the average force of friction is equal to one third of its weight, with what speed will it reach..
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