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A man doing a slow push-up is approximately in static equilibrium. His body is horizontal, with his weight of 763 N supported by his hands and feet, which are 1.32 m apart. One hand rests on a spring scale, which reads 264 N. If each hand bears an equal weight, how far from the shoulders is the man's center of gravity?
Two packages at UPS start sliding down the ramp. Package A has a mass of 6.50 and a coefficient of kinetic friction of 0.19. Package B has a mass of 9.50 and the coefficient of kinetic friction of 0.140. How long does it take package A to reach th..
As you eat your way through a bag of chocolate chip cookies, you observe that each cookie is a circular disk of diameter of 5.70 ± 0.02 cm, Find the average volume of a cookie
Two consecutive frequencies are 500 Hz and 540 Hz. ( Stringed instrument; closed-closed) Calculate the fundamental frequency
A flywheel with a diameter of 0.510 m is rotating at an angular speed of 178 rev/min. What is the linear speed of a point on the rim of the flywheel
in exploring the doppler effect we learned that sound from approaching or receding sources can seem higher or lower in
Water flowing through a garden hose of diameter 2.73 cm fills a 21.0-L bucket in 1.60 min. find the speed of the water leaving the end of the hose
Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 547m in 221s.
A projectile launcher has a muzzle velocity of 15m/s and is aimed 60 degree above the horizontal. How far horizontally did the ball travel before it hit the floor
An object is dropped from the top of a tower at a height of 44.1 m. How much time does the object take to reach the ground
Find the smallest particle size (density 2.65 grams per cubic cm) that will be removed in a horizontal grit chamber 10 meters long and 1.0 meter deep if the flow rate is 1000 cubic meters per hour. Suppose temperature is 25 ºC.
The classroom temperature is 20 C. The relative humidity is 60%. What is the total humidity (kg of H2O vapor) in the room if its volume is 200 m3.
Consider a pump that is required to compress air in a factory. The cylinder in the pump has an inner diameter of 2.00 cm and length 60.0 cm. What is the increase in internal energy of the gas
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