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(a) A 4.9 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.6 ? 10-12 N. What is the gravitational potential energy of the two-particle system?
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(b) If you triple the separation between the particles, how much work is done by the gravitational force between the particles?
(c) How much work is done by you?
If you have five capacitors with capacitances 1.2×10-6 F, 3.2×10-6 F, 5.9×10-6 F, and two 6.4×10-6 F in series, What is the equivalent capacitance of all five
If you place the box on a dolly of mass 5.3 {rm kg} and with coefficient of rolling friction 1.3×10−2, illustrate what horizontal acceleration would that 171 {rm N} force provide?
A source produces sound waves of time period .001 second and wave length of 20 cm. find the time taken by sound waves to travel a distance of 800 metres.
A small 12.3 g plastic ball is tied to a very light 28.6 cm string that is attached to the vertical wall of a room, Find the magnitude and direction of the electric field in the room
A dry cell does 7.5. J of work through chemical energy transfer 5 C between terminals of the cell. What is the electric potential between the two terminal.
A child loses his balloon, which rises slowly into the sky. If the balloon is 23 cm in diameter as the child loses it, what is its diameter at the following altitudes? Assume that the balloon is very flexible and so surface tension could be neglec..
An injured monkey sits perched on a tree branch 3.0 m above the ground, while a wildlife veterinarian is kneeling down in the bushes 88.5 m away attempting to subdue the monkey with a tranquilizer gun.
Find the period of a child's leg as it swings about the hip joint. Assume the leg is 0.39 m long and can be treated as a uniform rod, Estimate the child's walking speed
a skier of mass 100 kg, starts from rest as the top of a frictionless incline of height 20 m, how far does she travel on the horizontal surface before coming to rest
What is the phase angle in an RLC circuit with resistance of 9.90 k?, capacitance 1.50 ?F, and inductance 250 mH
A massive steel cable drags a 25-kg block across a horizontal, frictionless surface. A 90.0 N force applied to the cable causes the block to reach a speed of 4.5m/s in 1.5s. What is the difference in tension between the two ends of cable.
if the sea level pressure of the atmosphere is 92.1 bars, and the density is 65.5 kg/m^3 what is the equilibrium temperature
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