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Referring to the diagram above, when the rock reaches point O and is released, which direction will it continue to move?
A car is going around a bend at 20kmh⁻¹ with a centripetal force of 100N. If the car speeds up to 40kmh⁻¹, what is the new centripetal force acting on it?
A 200g object is attached to a 0.5m thread and spun horizontally at a constant speed of 2.0ms⁻¹. What is the thread’s tension?
In the diagram, mass m is rotated horizontally with uniform velocity v in a circle of radius r. What expression is equivalent to mass M?
A satellite orbits a planet of radius R and mass M, at height h above the surface. What is the satellite\’s velocity in its orbit?
The Earth’s orbital radius around the Sun is 1.50×10¹¹ m, taking 3.15×10⁷ s to complete. What’s the Sun\’s mass? [G = 6.67 × 10⁻¹¹ m³ kg⁻¹ s⁻²]
Which diagram depicts the forces acting on a satellite orbiting Earth?
The Earth and Mars orbiting the Sun in elliptical paths. If the radius of Earth\’s orbit = 1.50 × 10¹¹ m, orbital period of Earth = 365 days, radius of Mars\’s orbit = 2.28 × 10¹¹ m, find the orbital period of Mars.
A satellite is placed in a stable orbit around Earth. What keeps the satellite from escaping into space?
What data is required to calculate the mass of the Sun?