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During a lunar eclipse, the Moon, Earth, and Sun all lie on the same line, with the Earth between the Moon and the Sun. The Moon has a mass of 7.36 × 1022 kg; the Earth has a mass of 5.98 × 1024 kg; and the Sun has a mass of 1.99 × 1030 kg. The separation between the Moon and the Earth is given by 3.84 × 108 m; the separation between the Earth and the Sun is given by 1.496 × 1011 m.
(a) Calculate the force exerted on the Earth by the Moon.
(b) Calculate the force exerted on the Earth by the Sun.
(c) Calculate the net force exerted on the Earth by the Moon and the Sun.
A 1600·kg car traveling with a velocity of 6·m/s north collides head-on with a 3200·kg truck traveling with a velocity of 4·m/s south. What impluse is delivered to the truck by the car
Suppose that a plane is traveling with a horizontal velocity of vx = +238 m/s at an altitude of y = 1053 m. determine the time required for the package to hit the ground
The density of a 2.45-m long rod can be described by the linear density function ?(x) = 121 g/m + 13.5x g/m2. One end of the rod is positioned at x = 0 and the other at x = 2.45 m. Determine the total mass of the rod
A possible spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. what is its acceleration at the radius of the Earth's orbit
Which object posses more gravitational potential energy: a 2-kilogram ball at 2.2 meters above the ground or a bullet that is .15 kilograms at a height of 74 meters above ground
To get back to the shuttle, the astronaut unstraps a 10-kg tool kit and throws it away with a speed of 8 m/s. In the script, the astronaut, who has a mass of 80 kg without the toolkit, survives, but is this accurate.
A man weighing 720 N lies on a bed of nails. Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 5.20 N
Electricity and process heat requirements of a manufacturing facility are to be met by a cogeneration plant consisting of a gas turbine and a heat exchanger for steam production.
A galvanometer has a coil resistance of 48.0 ?. It is to be made into a voltmeter with a full-scale deflection equal to 100.0 V. what size resistor should be placed in series with the galvanometer
Two masses traveling at the same speed v0 collide head on. Nothing is known about collision other than that it is not completely inelastic.
A transformer with a turns ratio (secondary/primary) of 1:15 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit.
What is the coefficient of rolling friction μr for the tire under low pressure?
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