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Find the magnitude of the gravitational force a 63.9 kg person would experience while standing on the surface of Earth with a mass of 5.98 × 10^24 kg and a radius of 6.37 × 10^6 m. The universal gravitational constant is 6.673 × 10^?11 N · m^2/kg^2. Answer in units of N Find the magnitude of the gravitational force on Mars, with a mass of 6.34 × 10^23 kg and a radius of 3.43 × 10^6 m. Answer in units of N Find the magnitude of the gravitational force on Pluto, with a mass of 1.32 × 10^22 kg and a radius of 1.15 × 10^6 m.
q1. a particular guitar string is supposed to vibrate at 195 hz but it is measured to actually vibrate at 210 hz. by
A horizontal bar 2.361 m long with a mass of 91.27 kg is hinged to a wall. What is the angle between the cable and the bar
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 4.40 104 s. What is the speed at which the satellite travels
You are with 19 other people on a boat at rest in frictionless water. Your total mass is 1500 kg, and the mass of the boat itself is 10000 kg. How far does the boat move
An arrow is shot at 30.0 degrees above the horizontal. Its velocity is 49 m/s and it hits the target. What is the maximum height the arrow will attain
A fisherman is fishing from a bridge and is using a "30.0-N test line." In other words, the line will sustain a maximum force of 30.0 N without breaking. What is the weight of the heaviest fish that can be pulled up vertically.
The wavelength of the laser beam used in a compact disc player is 510 nm. Estimate the spacing between the slits of the grating
A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
An electron with an initial speed of 4.90×105m/s is brought to rest by an electric field. What was the potential difference that stopped the electron
A certain amount of oxygen gas occupies a volume of 12 liters when its temperature is 20 oC and its pressure is 1 atm. Calculate the number of grams of oxygen:
What is the total negative charge, in Coulombs, of all the electrons in a small 0.750 g sphere of carbon
How much is the spring compressed?
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