When and if Galileo dropped two balls from the top of the Leaning Tower of Pisa, air resistance was not really negligible. Assuming that both balls were of the same size, one made of wood and one of metal, which ball actually struck the ground first? Why?

Q: It takes an elevator in a skyscraper 4. Os to reach its cruising speed of 10. 0 . A 60.0 kg…

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Q: Over the short time span of a tennis ballI hitting the racket during a player's serve, the ball's…

A: Over a short span of time tennis ball hitting the target

Q: Be picky and correct your friend who says, “In free fall, air resistance is more effective in…

A: An object that falls free is an object that comes under the influence of gravity. Anybody which only…

Q: Looking outside of your window, you notice a bird gliding in the air at a constant speed. Should air…

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Q: Which of Newton's Laws best explains why your car accelerates when you press on the gas pedal?

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Q: Which law says that an object in motion will stay in motion and an object at rest will stay at rest…

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Q: How is Newton’s second law the essential link between force and motion?

A: Newton's second law

Q: If the two objects have the same size fall through air at different speeds, which encounters the…

A: The most common factors that have an effect on air resistance are speed of the object and the area…

Q: 14. A ball bounces because of O Newton's third law of motion O Newton's second law of motion O…

A: A ball bounces because of ................

Q: An object falls off a cliff (ignore air resistance), what remains constant?

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Q: Walking on horizontal slippery ice can be much more tiring than walking on ordinary pavement. Why?

A: Introduction: A frictional force always acts opposite to the direction of motion if the surface has…

Q: In synchronized diving, divers remain in the air for the same time. With no air drag, they would…

A: In an appreciable air drag, the divers, in synchronized diving remain together in a fall. The divers…

Q: In terms of newton's first law ( the law of inertia), how does a car headrest help to guard against…

A: When car is at rest, the head of the person inside the car tends to stay at rest.

Q: eed answers ASAP... A car which is initially at rest travels 1,400 meters in 20 seconds. Find its…

A: Given: The intial velocity of the car is 0 m/s. The distance traveled by the car is 1400 m. The time…

Q: If two objects having the same size fall through air at different speeds, which encounters the…

A: Air resistance force is increasing with the increase of speed and the frontal area of the object.

Q: A woman stands on a spring scale in an elevator. At which situation is her apparent weight greates

A: SOlution: if standing on the spring scale in elevator. In what situation the weight will greater.

Q: What Aristotelian idea did Galileo demolish with his experiment with inclined planes?

A: He demolished the notion that a moving body requires a force to keep it moving. He showed a force is…

Q: What is a force?    **answer in own words**

A: solution is given by

Q: What happens to its velocity when a coin is tossed upward while ascending? Its acceleration? (Ignore…

A: It is required to discuss the velocity of a coin tossed upwards and its acceleration while…

Q: A boxer can hit a heavy bag with great force. Why can't he hit a piece of tissue paper in midair…

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Q: When a heavy football player and a light one run into each other, who exerts more force?

A: Newton's law of equation of motion states that the external force exerted by any object on the other…

Q: When you kick a football, what action and reaction forces are involved? Which force, if any, is…

A: When we kick a football with a force, it is our action force. In return the ball applies an equal…

Q: When a bullet is fired from a gun, the gun moves in the opposite direction. This illustrates…

A: Newton's Laws of motion are used to describe the motion of a system. By using the free body diagram…

Q: Forces of 3.0 N and 4.0 N act at right angles on a block of mass 2.0 kg. Show that the acceleration…

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Q: The . also allows the definition of force as that which causes a change in the motion of an object.…

A: Newton's second law of motion state that the net force acting on the object will be equal to the…

Q: < You push against the floor when you walk and the floor pushes back on you. An object will not…

A: An object will not accelerate unless a net force is applied to it ------&gt; it is the direct…

Q: When you push a cart, it moves. When you stop pushing, it comes to rest. Does this violate newton's…

A: The law of inertia says:Every object continues in its state of rest, or of uniform motion in a…

Q: How is Newton’s Third Law of motion applied in walking or in rowing a boat?

A: How is Newton’s Third Law of motion applied in walking or in rowing a boat?

Q: What is the law that says for every action there is an equal and opposite reaction? O Newton's First…

A: Newton described the motion of an object using three laws.

Q: How does the speed of a falling object affect the amount of air resistance that it experiences?

A: As different objects fall through air, they will experience some amount of air resistance. It is due…

Q: When the girl holds the rock with as much force upward as gravity pulls downward, the net force on…

A: Here, it is mentioned that the girl is holding a rock. The upward force that a girl exerts on rock…

Q: Does a baseball bat slow down when it hits a ball? Defend your answer.

A: When the ball hits the momentum of the ball changes.

Q: We are able to walk forward because O we push on the air O the air pushes on us O we push on the…

A: One can walk on the road due to the friction force act between road and feet. It helps to interlock…

Q: Person pushing a parked car of mass 400 2 (2) kg with a force of 200 newtons Its speed is 5 m/s.…

A: M= 400kg  F= 200N

Q: The force needed to produce an accelera of 6 m/s in a ball of mass 4 kg will be (a) 24 N (c) 32 N…

A: Given data: Acceleration (a) = 6 m/s2 Mass of the ball (m) = 6 kg Required: The force needed to…

Q: How does the force of gravity on a raindrop compare with the air drag it encounters when it falls at…

A: The force of gravity acts on the raindrop in vertically downward direction whereas the air drag…

Q: The actual weight of a body is always: O greater than the apparent weight O smaller than the…

A: Weight of the body is the force with which it is attracted towards the center of the earth.

Q: What happens to its velocity when a coin is tossed upward while ascending? Its acceleration? (Ignore…

A: Equation of linear motion V= u + at  V= final. Velocity at time t  a = acceleration.  u= initial…

Q: The mass of an object is O egal to its weight in deep pace Ovonfetimes egil to its wght Onever eqal…

A: Mass of object is defined as the quantity of matter of a physical body

Q: The mass of an object is a measure of its O a. inertia O b. energy O c. gravity O d. force

A: Here given the term mass . We have to define the significance of measure of mass.

Q: The law of inertia applies to moving objects. objects at rest. both moving and nonmoving objects.…

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Q: What effect does air resistance have on falling objects?

A: Air resistance imparts a force that opposes motion in falling objects . So acceleration throughout…