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A satellite has a mass of 6076 kg and is in a circular orbit 4.65 × 105 m above the surface of a planet. The period of the orbit is 1.7 hours. The radius of the planet is 4.48 × 106 m. What would be the true weight of the satellite if it were at rest on the planet's surface?
how far from the edge f the dock can theboy move until the plank is just on the verge of tipping? Explain how can the boy test this conclusion without falling in the water?Explain
For your final exam in electronics, you're asked to build an LC circuit that oscillates at 15kHz, What values of inductance and capacitance must you use
A block sits on a plate that in turn rests on the surface of a fluid, what is the pressure P in the fluid just below the plate
In one cycle, a heat engine does 310 J of work and releases 620 J of heat to a lower-temperature reservoir. What is the efficiency of the engine
Three identical charges of 3.0uC are placed at the vertices of an equilateral triangle which measures 30cm on a side. What is the magnitude of the electrostatic force which acts on any one of the charges
From the equation for the line of best fit given, what is the magnitude of the crankshaft's angular acceleration? Express your answer using two significant figures.
A 9.10 kg board is wedged into a corner and held by a spring at a 50° angle, as the Illustrating shows. The spring has a spring constant of 196 N/m and is parallel to the floor.
A 100-cm^3 container has 4 g of ideal gas in it at 250 kPa. if the volume is changed to 50 cm^3, what is its new density
The distance between 2 slits (d=0.155 mm) and a screen is 1.54 m. If the spacing between the 2nd order bright fringe and the 3rd order dark fringe is 3.50 mm obtain the wavelength of the light
Two charges are placed on the x axis. One of the charges q1= +8.5 C is at x1 = + 3.0 cm and the other q2= -21C is at x1 = + 9.0 cm. Find the net electric field (magnitude and direction) at.
Net average force using the concepts of Newton’s second law.
A ball rolls off a table and falls 0.81 m to the floor, landing with a speed of 5.5 m/s. What initial speed must the ball have if it is to land with a speed of 6.3 m/s
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