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Two particles of equal mass have different velocities and acceleration of one particle is zero, determine the movement of the centre of mass of the two particles.
q1. a 280 block on a 50.0 -long string swings in a circle on a horizontal frictionless table at 80.0.what is the speed
A person is riding a bicycle, and its wheels have an angular velocity of 15.8 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. Through braking, the angular displacement of each wheel is 14.2 revolutions.
A 1.00-cm-high object is placed 3.80 cm to the left of a converging lens of focal length 7.50 cm. Find the position and height of the final image
One mole of an ideal gas at 27 °C is expanded isothermally from an initial pressure of 3 atm to a final pressure of 1 atm in two ways. (a) reversible, and (b) against a constant external pressure of 1 atm. find q, w, ΔU, ΔH, ΔSsys, ΔSsurr, ΔStotal..
A 10.0 kgblock is dragged over a rough, horizontal surface by a 84.0 N force acting at 20.0° above thehorizontal. The block is displaced 6.00 m, Find the work done on the block by the normal force
what is the magnitude of the first 2nd and 3rd wire i 5.4a b 3.06cm l 32.2 cm. there is three wires label 123 and b is
A parallel plate capacitor has square plates with sides of length 20 cm. The distance between the plates is 1 mm. What is the electric field between the plates
A microscope has an objective lens of focal length 1.4 mm and aneyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mmfrom the objective. What is the overall magnification?
A power transmission line 50km long has a total resistance of 0.60 ohms. What percentage of the original energy is lost when the transformer is used
Two force act on a 5.0kg object sitting on a frictionless horizontal surface. What is the acceleration of the object
Catching a wave, a 63-kg surfer starts with a speed of 1.3 m/s, drops through a height of 1.75 m, and ends with a speed of 8.2 m/s. How much nonconservative work was done on the surfer?
Sam rode her bicycle from her house to school at an average speed of 8 mph. determine how many miles long is the round trip
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