An object is accelerating if it moves  1) with constant velocity  2) in a circular path  3) in a straight-line path because it is undergoing a change in its  4) speed.  5) direction. 6) net force.

Q: what is the magnitude of the acceleration of the shell just before strikes the ground

A:

Q: Which of the following objects are in “free fall”?       A)  a ball that was thrown horizontally…

A: Free-fall is the motion of the body when only gravity force acting on the object.

Q: An athlete has an intuitive knowledge, gained by experience, of the changing nature of a ball in…

A: As there is effect of resistance is acting on the ball in projectile motion only acceleration due to…

Q: A body of mass 5 kg, projected at an angle of 60° from the ground with an initial velocity of 25…

A: Given: A body of mass 5 kg, projected at an angle of 60° from the ground with an initial velocity of…

Q: A student throws the stone in his hand horizontally from the edge of a cliff with a speed of 8m/s.…

A: Given data:  The stone thrown horizontally  Horizontal speed = 8 m/s Height of the cliff (h) = 40 m…

Q: A potted plant rests on a window frame above the ground.  The potted plant is off the frame and…

A: Given: A potted plant rests on a window frame above the ground. The time taken by a potted plant to…

Q: a baby girl is crawling right on a blanket that is being pulled to the right by her mother. If the…

A:

Q: Is it feasible to maintain a constant speed while accelerating? What is this sort of motion called?

A: Yes, it is possible for an object to maintain a constant speed while accelerating.

Q: Which of the following is false for an object thrown upward X a. Its acceleration is g= -10 m/s…

A:

Q: A ball is thrown straight up into the air, it reaches the top of its path and then falls back down…

A: The acceleration due to gravity, denoted by "g," is a constant acceleration that objects experience…

Q: If you toss a ball upward with an initial speed v = 2m/s, it reaches a max height h without air…

A: Given data:  Original initial velocity (v) = 2 m/s, vertically upward  Maximum height = h New…

Q: Can you cite an example in which the acceleration of a body is opposite in direction to its…

A: Velocity of a body is defined as rate of change of displacement with time. And acceleration of a…

Q: Assume the cheetah and gazelle run along a straight line. At time t = 0 s the prey, at a certain…

A: Please post the remaining questions separately!

Q: The airspeed of an airplane is 100 km/h. When it is caught in a 100-km/h right-angled crosswind, its…

A: Given: Speed of airplane,vairplane=100km/hrSpeed of crosswind,vcrosswind=100km/hrAngle,θ=900 The…

Q: A car is travelling with a velocity of 108 km/h. The brakes are applied at a rate of -0.6 m/s.…

A:

Q: If you brake to stop your car when traveling at 40 m/s, then what is your stopping distance if a =…

A:

Q: a car covers 40 m in 9.45 s  while uniformly slowing down to a final velocity of 2.5 m/s a) find the…

A: Solution: Given that d = 40 m t = 9.45 s final velcity v =2.5 m/s

Q: acceleration of 8. You throw a ball vertically upward so that it leaves the ground with velocity…

A: SOlution: Given that  The ball is thrown verticlaly upward vi = 5 m/s

Q: (a) What is the acceleration of the baseball? m/s2 (b) What is the acceleration in g's?

A:

Q: xplain the effect of air resistance on the rate of fall of objects. In the absence of air resistance…

A: Introduction: The acceleration of the object free-falling situation in the absence of the air…

Q: A student testing the law of gravity drops a ball from a building 490m high from rest. a) How long…

A:

Q: ball of mass 100 g, projected at an angle of 30° from the ground with an initial velocity of 11 m/s,…

A: Given: A ball of mass 100 g, projected at an angle of 30° from the ground with an initial velocity…

Q: A bullet shot straight up returns to its starting point in 10 s. Ignoring air resistance, what was…

A: Given data: Time taken to return staring point (t) = 10 s Vertical displacement (Δy) = 0 m Required:…