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A satellite on a circular orbit of radius R around Mars has an orbital period of 10.0 hr. A second satellite is to be placed in a circular orbit so that its orbital period will be 5.00 hr. The radius of the orbit of the second satellite must be closest to?
1 a heating element in a stove is designed to dissipate 3200 w of heat when it is connected to 245 v. assuming that the
A mass-spring system oscillates with an amplitude of 4.60 cm. If the spring constant is 240 N/m and the mass is 435 g, determine the mechanical energy of the system. Calculate the speed of the sphere's CM at the bottom of the ramp. Determine the m..
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 128-kg laser sensor that measures the thickness of the ice, find the tension in the cable towing the sensor
The drawing shows a skateboarder moving at 5 m/s along a horizontal section of a track that isslanted upward by 48° above the horizontal at its end, which is0.46 m above the ground. When she leavesthe track, she follows the characteristic path of ..
A 8.75-\mu {\rm C} point charge is glued down on a horizontalfrictionless table. What would the tension be if both charges were negative
A candle is placed 16.85 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, Find the focal length of the convex mirror
An object is placed 12 cm in front of a concave mirror whose focallength is 23 cm. The object is 3.6 cm tall.Determine (a) the location of the image,taking a real image as a positive value and a virtual image as anegative value.
An automobile weighing 2000lbs travels due west at a constand speed of 70 mph. The magnetic field in the area is a constant 2.5 µT due north. What is the normal force on the car
A "biconvex" lens is one in which both surfaces of the lens bulge outwards. What is the focal length f of this lens in air
a projectile is launched on the earth with a certain initial velocity and moves without air resistance. another
The model airplane in Figure 5.7 is flying at a speed of 14.4 m/s on a horizontal circle of radius 17.2 m. The mass of the plane is 1.19 kg. What is the net work done on the plane
The 3.0-m-long pipe in the figure is closed at the top end. It is slowly pushed straight down into the water until the top end of the pipe is level with the water's surface. What is the length L of the trapped volume of air?
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