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a) What is the net force acting on an object with a mass of 10 kilograms, falling at a constant downward velocity of 15 meters per second (15 m/s)?Please show work.
b) What is the net force acting on an object with a mass of 10 kilograms, falling with a downward acceleration of 15 meters per second squared (15 m/s2)? Please show work.
A material has a mass of 45 grams and a volume of 40 milliliters. What is the material's density? Would the material sink or float in water at a temperature of 20 degrees Celsius? Explain.
q1. if the weight of a room full of water is so great why dont the first floors of houses built over basements all
A block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. It has a mass of 213 g. When placed in water, the block sinks. What volume of water did it displace.
A 1 490-kg automobile has a wheel base (the distance between the axles) of 3.20 m. Find the force exerted by the ground on each wheel
A photon of wavelength 0.50801 nm strikes a free electron that is initially at rest. What is the speed of the recoil electron after the collision
Discuss Waves, Sound, and Light. What is a Wave?
Discuss the cause and different mechanisms available. Recognize and discuss the flow control techniques on which they are based? Determine the pros and cons of each?
A flat, uniform, circular disk (R = 2.25 m, m = 84.0 kg) is initially at rest, but it is free to rotate in the horizontal plane about a vertical, frictionless axis through its center.
An airplane with a speed of 77.3 m/s is climbing upward at an angle of 31.3 ° with respect to the horizontal. When the plane's altitude is 845 m, Calculate the distance along the ground
A sled is dragged along a horizontal path at a constant speed of v = 1.52 m/s by a rope that is inclined at an angle of ? = 30.3° with respect to the horizontal
A 20 g ball of clay traveling east at 8.0 m/s collides and sticks togethor with a 20 g ball of clay traveling north at 8.5 m/s. What is the speed of the resulting ball of clay
A resistor with R = 4.0 kohm is placed in series with a 240 V battery, an open switch, and an inductor having L = 36.0 mH. At some time after the switch has been closed, the current in the circuit is 15.0 mA. At this same instant in time, what is the..
a slit 0.30 mm wide is illuminated by light of wavelength 426 nm. a diffraction pattern is seen on a screen 2.8 m from
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