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Determine the normal force for a laundry basket with a mass of 4.2 kg in each of the following situations
(a) at rest on a horizontal surface
_____ N
(b) at rest on a ramp inclined at 12° above the horizontal
__________ N
(c) at rest on a ramp inclined at 25° above the horizontal
________ N
(d) at rest on a ramp inclined at 45° above the horizontal
_______N
Two stereo speakers mounted 4.52 m apart on a wall emit identical sound waves. You are standing at the opposite wall of the room at a point directly among the two speakers. You walk 2.11 m parallel to the wall to a location where you first notice tha..
solve 14 and 15 and 11-13- 10- 9- 2 -6- step by step without jumping and explain more because i wanna
a sample of an unknown material appears to weigh 280 n in air and 175 n when immersed in alcohol of specific gravity
Gravity is the only force acting on a 2 kg mass. The potential energy of the mass increases by 144 J, What is the change in velocity of the mass
A container holds 0.05 m^3 of ethanol at a temperature of 15 degrees celcius. The temperature is then raised to 75 degrees celcius. By how much did the volume change
A skydiver is falling downward through the air. He weighs 241.5 pounds. There is an upward force of air friction opposing his fall. What is the upward force of air friction
11 kilogram of ice at -10 °C is heated and melted into water until water reaches a temperature of 50 °C. Determine the resulting temperature of the mixture
a birthday cake candle 4 cm high is 10 cm from a converging lens whose focal length is 15 cm. use a ray diagram on a
You need to design an industrial turntable that is 53.5 centimeter in diameter and has a kinetic energy of 0.270 Joule when turning at 48.5 rpm. Find what must be the moment of inertia of turntable about the rotation axis
An electron is to be accelerated from a velocity of 1.00×106m/s to a velocity of 7.00×106 m/s. Through what potential difference must the electron pass
Light of wavelength 4.80 102 nm illuminates a pair of slits separated by 0.270 mm. find the distance between the first and second dark fringes
The specific weight of a fluid is 11 200 N=m3. Calculate the mass contained in 2 m3 - Using the standard gravity.
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