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1. The magnitude of the force the sun exerts on Uranus is 1.41X10^21 newtons. Explain how it is possible for the sun to exert a greater forceo n Uranus then Neptune exerts on Uranus.2. A 2.0 kg object is falling freely near Earth's surface. What is the magnitude of the gravitational force that Earth exerts on the object?
a) 20 N B) 2.0 N C) 0 N D) 0.20 N3. Gravitational force F exists between point objects A and B separated by distanace R. If the mass of A is doubled and distance R is tripled, what is the new gravitational force between A and B?
A) 9/2 F B) 2/3 F C) 2/9 F D) 3/2 F
If the uncertainty in the energy of an excited state is a billionth of an electron volt (1 neV), what is the half-life of the state
A technician wraps wire around a tube of length 33 cm having a diameter of 7.9 cm. compute the self-inductance of this solenoid
A person with a weight of 241 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
The greatest height reported for a jump into an airbag is 99.4 m by stuntman Dan Koko. In 1948 he jumped from rest from the top of the Vegas World Hotel and Casino. He struck the airbag at a speed of 39 m/s (88 mi/h).
Unpolarized light with I=120 w/m^2 travels in the x direction and passes through a linearly polarizing film oriented in the z direction, What is the final intensity of the beam passing through all three polarizing films
define what is the unknown capacitance. what focal length eyepiece should she use.
A test tube contains 2.56 10-4 m3 of liquid carbon tetrachloride at a temperature of 75.5° C. Find the volume of carbon tetrachloride in the test tube at -11.7° C
Find out the vertical component of the reaction force
A jetliner is moving at a speed of 187 m/s. The vertical component of the plane's velocity is 44.5 m/s. find out the magnitude of the horizontal component of the plane's velocity.
A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 1.00 atm at 20.0oC. how tall is the column of gas that is supporting the piston
A piece of glass has a temperature of 85.8° C. Liquid that has a temperature of 43.0° C is poured over the glass, completely covering it, determine the specific heat capacity of the liquid
A catcher catches a 145 g baseball traveling horizontally at 38.0 m/s. How large an impulse does the ball give to the catcher
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