In this course which of the following symbols represents the constant of universal gravitation?
Answer: G
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Physics
- In a game of pool, the white cue ball hits the #5 ball and stops, while the #5 ball moves away with the same velocity as the cue ball had originally. The type of collision is
- In an elastic collision, if the momentum is conserved, then which of the following statements is true about kinetic energy?
- A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly inelastic collision with a 6.0 kg object moving to the left at 2.0 m/s. What is the total kinetic energy after the collision?
- Two objects collide and stick together. Kinetic energy
- If you pitch a baseball with twice the kinetic energy you gave it in the previous pitch, the magnitude of its momentum is
- When is kinetic energy conserved?
- In an inelastic collision, if the momentum is conserved, then which of the following statements is true about kinetic energy?
- A golf ball traveling 3.0 m/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free environment. If the collision is almost perfectly elastic, the speed of the golf ball immediately after the collision is
- What condition or conditions are necessary for rotational equilibrium?
- What condition or conditions are necessary for static equilibrium?
- A sailboat of mass m is moving with a momentum p. How would you represent its kinetic energy in terms of these two quantities?
- A person weighing 800 N stands with one foot on each of two bathroom scales. Which statement is definitely true?
- A 3.0-kg object moves to the right at 4.0 m/s. It collides in a perfectly elastic collision with a 6.0 kg object moving to the left at 2.0 m/s. What is the total kinetic energy after the collision?
- A car goes around a curve of radius r at a constant speed v. What is the direction of the net force on the car?
- When a car makes a sharp left turn, what causes the passengers to move toward the right side of the car?
- When an object is moving with uniform circular motion, the object's tangential speed
- Is it possible for an object moving around a circular path to have both centripetal and tangential acceleration?
- What type of acceleration does an object moving with constant speed in a circular path experience?
- When an object experiences uniform circular motion, the direction of the acceleration is
- Consider a particle moving with constant speed such that its acceleration of constant magnitude is always perpendicular to its velocity.
- The movement of an object or a point mass at a constant speed around a circle that has a fixed radius is called uniform:
- A pilot executes a vertical dive then follows a semi-circular arc until it is going straight up. Just as the plane is at its lowest point, the force on him is
- What force is needed to make an object move in a circle?
- A roller coaster car is on a track that forms a circular loop in the vertical plane. If the car is to just maintain contact with track at the top of the loop, what is the minimum value for its centripetal acceleration at this point?
- When an object experiences uniform circular motion, the direction of the net force is
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.