A sledder has reached the bottom of a hill and is coasting to the right while slowing down along the loosely-packed snow. Ignore air resistance.

Q: ΔΚΕ ARKE ΔΡΕ A hockey puck slides across the YES / NO YES / NO YES / NO ice and comes to a stop YES…

A: The fundamental energies of a system under translational and rotational motion are its kinetic…

Q: An elevator descends into a mine shaft at the rate of 5 metres per minute. If it begins to descend…

A: (i) Displacement = Velocity x Time = -5 m/min x 60 min = -300 m.

Q: A stone is thrown upward from a bridge at a speed of 10m/s. it narrowly misses the bridge on the way…

A: The expression for the height of the bridge from kinematics equation,

Q: An object with a mass of 640 kg falls down from a steep hill with a height of 30 meters. Calculate…

A: Given: The mass of the object is 640 kg. The height of the object from the ground is 30 m.

Q: An archer shoots an arrow. The action force is the bowstring against the arrow, The reaction force…

A: Newton's third law of motion tells us that the evry action has an equal and opposite reaction. This…

Q: Choose the BEST answer to the following: The component of velocity that can remain constant for a…

A: Answer: ai,e Horizontal velocity remains constant.

Q: An object is thrownertically upward. While it is rising: its velocity is downward and its…

A: An object is said to be in projectile motion , when the object is thrown at an angle with respect to…

Q: A gazelle runs off the edge of a cliff. He is launched horizontally with a velocity of 34m/s. The…

A: A vector quantity can be split into multiple components. Velocity is a vector quantity and that's…

Q: A car moving at 20 m/s crashes into a tree and stops in 0.26s. Calculate the force the seat belt…

A:

Q: A softball player does a head-first dive and is sliding to the right across the infield dirt. Ignore…

A: Player is sliding across the slid dirt. Dirt exerts a friction force Gravitational force is exerted…

Q: A tennis ball is dropped from the top of a tall building. A second tennis ball is thrown down from…

A: A tennis ball dropped from the top of a tall building. A second tennis ball is thrown down from the…

Q: An object of mass 5kg is sliding with a constant velocity of 10m/s on a frcitionless horizontal…

A:

Q: A ball is dropped at 1.5 meters above the ground in 1.2 seconds. What is its velocity

A: When the ball reaches ground its displacement is s=-1.5 m Time taken to reach ground t=1.2 s The…

Q: A truck is driving down the road at a constant velocity. List ALL the forces acting upon it. *…

A:

Q: A bottle falls from a place with a height of 1200m,  assuming g=10m/s^2 if there was no air…

A: Given data:  Initial velocity (Vi) = 0 m/s, dropped Height (h) = 1200 m Acceleration (g) = 10 m/s2,…

Q: A train begins from rest and accelerates to a maximum speed in 70 seconds. The train travels at 30…

A:

Q: A man jumping out of a moving train is thrown    A) forward B) backward C) sidewaqys D) None of…

A: Inertia is defined as the tendency for an object to remain in uniform motion or at rest. A body…

Q: An object is lowered by a rope at a constant speed in the presence of gravity. The net force on an…

A: Acceleration is the rate of change of velocity. If velocity(or speed) is a constant, acceleration is…

Q: When a moving car is stopped, the passengers due to their inertia. stay still a. O b. fall forward O…

A:

Q: A man wants to cross the river in a fixed speed boat. If the river crosses in minimum time It takes…

A: The two cases are drawn as follows.   Let Vboat be the velocity of the boat, Vriver be the velocity…

Q: When a ball is thrown straight up with no air resistance, the acceleration at its highest point A A)…

A: Given: The object is thrown vertically upward. The position of the object is at maximum height.

Q: Use a(t) = -9.8 meters per second per second as the acceleration due to gravity. (Neglect air…

A: t=15.65 sec

Q: The vertical component of a projectile is ______. a.) free moving b.) free fall c.) free in…

A: vertical component of projectile is free fall because only gravitational force act on it vertically…

Q: Find the speed of the ball as it strikes the floor.

A:

Q: A truck with velocity 33 m/s turned a corner too sharp and lost part of the load. A falling box will…

A:

Q: A rightward-moving car is skidding to a stop across a level roadway with locked wheels. Ignore air…

A: Given: The car is moving in the rightward direction. The air resistance on the car is zero. The…

Q: A skateboarder of mass 70.0 kg approaches the top of a hill at a velocity of 2.0 m/s. The hill is…

A:

Q: An object of mass (2 kg) is sliding with a constant velocity of (4 m/s) on a friction less…

A:

Q: You hit a wall with a stick. The equal but opposite reaction is O the wall pushes against you O you…

A: Using Newton's 3rd law of motion to solve the problem

Q: The Earth has a very small mass and a large acceleration. B Air resistance gets in the way. Answer…

A: Inertia is the inherent property in a body by which it opposes any change in state of motion.…

Q: Two identical cars collide head on. Each car is traveling at 100 km/h. The impact force on each car…

A: Since the two cars are moving with the same velocity in opposite direction and have the same mass,…

Q: A brick is dropped from 100 m up. Find its impact velocity and air time.

A:

Q: A box was dropped from the top of a building. What happens to its a. displacement b. velocity c.…

A:

Q: What is the linear velocity of a car that ?drives 140 km in 2 hours 70 km per hour 0.014 km per hour…

A: as per our guidelines we are supposed to answer only one question. Kindly repost other question as…

Q: velocity of 10 m/s on a leve the floor, it takes 2.0 s for the block to come to rest. Wha and the…

A:

Q: A boat moves at a speed of 20 m / s when the water is at rest. The boat needs to make a round trip…

A:

Q: An airplane can fly with an airspeed of 377 mph. Determine the ground speed of the airplane when it…

A: When the wind blows against the direction in which the aircraft moves then it is called headwind.…

Q: A baseball is thrown vertically upward and feels no air resistance. It reaches a maximum height and…

A: Solution

Q: Raindrops fall vertically downward at a speed of 4.57 m/s. A car drives forward at a speed of 20.4…

A:

Q: An object is accelerating if it is moving __________________. Select all that applies. a. with…

A: Acceleration is the name we give to any process where the velocity changes. Since velocity is a…

Q: A hockey puck glides to the right across the ice at a constant speed. Ignore air resistance.

A: Given data: Hockey puck glides to the right Speed is constant Air resistance is negligible…

Q: body moves at a constant speed of 20 m / s without hindrance to movement. After 10 seconds, your…

A: Given Initial speed u = 20 m/s Time t = 10 sec

Q: When jumping from a significant height, why is it advantageous to land with your knees bent?

A: Newton’s law says that rate of change in momentum is directly proportional to the force applied.…

Q: Inertia is the tendency of the body to resist motion or changes in motion. It depends on the…

A: The tendency of the body to resist motion or change in motion varies with mass.

Q: ayab on his heavy bike drives for 2 h at 100 km/h and for 3 h at 30 m/s. His average

A: Suppose Tayab on his bike travel distance (D1) & (D2) in kilometer in two different intervals of…

Q: A loaded sledge of overall mass 90 kg, starting from rest,  slides down a smooth incline of 1 in 10…

A:

Q: A stone is dropped from rest at the top of a mine It takes 39 s for a stone to fall to the bottom of…

A: Given time taken by stone to reach at the bottom t = 39 s We have to find out depth of the shaft.

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.