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Question: A cyclist is moving at 15 m/s and a pedestrian at 5 m/s in the same direction. How fast do..
Question: A boat is moving upstream at 10 km/h in a river that flows at 5 km/h. What is the speed of..
Question: For a satellite in a stable orbit, what must be true about the centripetal force and gravi..
Question: Which of the following factors does NOT affect the orbital speed of a satellite?Options: M..
Question: If the radius of the Earth is R, what is the radius of a satellite in a geostationary orbi..
Question: Which of the following is true for a satellite in a low Earth orbit?Options: It has a very..
Question: A ball is thrown at an angle of 30 degrees with a speed of 30 m/s. What is the time of fli..
Question: What is the gravitational force acting on a 10 kg object on the surface of the Earth? (g =..
Question: What is the gravitational field strength at the surface of a planet with mass 6 x 10^24 kg..
Question: How does the gravitational force between two objects change if the mass of one object is t..
Question: What is the acceleration due to gravity at a height equal to the radius of the Earth?Optio..
Question: What is the gravitational potential energy of a mass of 2 kg at a height of 10 m? (g = 9.8..
Question: A ball is thrown downwards with an initial velocity of 5 m/s from a height of 20 m. How lo..
Question: The gravitational field inside a uniform spherical shell is:Options: ZeroConstantIncreases..
Question: A stone is thrown horizontally from the top of a cliff 80 m high. How far from the base of..
Question: An object moves in a straight line with an initial velocity of 5 m/s and accelerates at 2 ..
Question: A projectile is launched at an angle of 30 degrees with an initial speed of 20 m/s. What i..
Question: A train moving with a speed of 72 km/h applies brakes and comes to a stop in 10 seconds. W..
Question: If a car travels with a uniform speed of 60 km/h, how long will it take to cover a distanc..
Question: A cyclist travels at a speed of 10 m/s for 15 seconds. What distance does the cyclist cove..
Question: An object is thrown vertically upward with a speed of 30 m/s. How high will it rise before..
Question: If the radius of the Earth were to shrink to half its size while keeping its mass constant..
Question: What is the value of gravitational acceleration at the height equal to the radius of the E..
Question: A satellite is in a circular orbit around the Earth. If its orbital radius is 4R, what is ..
Question: What is the gravitational field strength at a distance of 3R from the center of the Earth?..
Question: Which of the following is true about the period of a satellite in a low Earth orbit compar..
Question: If the radius of a charged sphere is halved while keeping the charge constant, what happen..
Question: What is the electric field at a distance d from an infinitely long charged wire with linea..
Question: A hollow sphere has a charge Q distributed uniformly over its surface. What is the electri..
Question: What is the electric flux through a closed surface surrounding a charge Q?Options: 0Q/ε₀Q/..