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A car whose mass is 1600kg including the driver has a maximum acceleration of 1.20m/s squared. When a certain passenger is also in the car, its maximum accelration becomes 1.13 m/s squared. Find the mass of the passenger
A 9.0 kg mess kit sliding on africtionless surface explodes into two 4.5kg parts, one moving at 6.0 m/s, duenorth, and the other at 7.5 m/s,30° north of east. What was the original speed of the mess kit?
A string vibrates according to the equation y = 0.5 sin 0.37 x cos 64 t, where x and y are in centimetres and t is in seconds. What is the velocity (in centimetres/second) of the component waves whose superposition can give rise to this vibration?
The company adheres to a 60% dividend payout ratio and has a P/E ratio of 19. There are 21,000 shares of stock outstanding. Illustrate what is the amount of the annual net income for the firm?
The rotational velocity of a merry-go-round increases at a constant rate from 0.6 rad/s, What is the rotational acceleration of the merry-go-round
A well-insulated electric water heater warms 121kg of water from 20.0° C to55.0° C in27.0min. Find the resistance of its heating element, which is connected across a 240-V potential difference.
A projectile proton with a speed of 500 m/s collides elastically with a target proton initially at rest. What is the speed of the target proton after the collision
q1. a magnifier has a magnification of 7x.how far from the lens must an object be placed so that its virtual image is
a 0.43 t magnetic field is perpendicular to a circular loop of wire with 56 turns and a radius of 16cm .if the magnetic
A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is1.75m behind the double slit. The central maximum of the diffraction pattern has a width of4.30cm, and the fourth bright spo..
A window has a glass surface are of 1.6x10^3 cm^2 and a thickness of 3.0 mm. Find the rate of energy transfer by conduction through the window when the temperature of the inside surface of the glass is 70F and the outside temperature is 90F.
a 55 kg man stands still in an elevator moving with a constant speed of 2.0ms.aif the down going elevator comes to rest
A hill that has a 25.7% grade is one that rises 25.7 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
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