Is Constanst Speed means Acceleraton is 0? constant velocity means also acceleration is 0? Or Steady rate means 0 too?

Q: A plane is flying at a velocity of 12m/s, if this accelerates and it reaches a velocity of 20m/s,…

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Q: You take a running leap off a high-diving platform. You were running at 2.8 m/s and hit the water…

A: The horizontal component of the initial velocity is, ux=2.8 m/s The time interval is, t=2.6 s The…

Q: What is cetripetal acceleration?

A: The centripetal acceleration is the idea of having an acceleration vector in the middle of that…

Q: If a car is moving at 90 km/h and it rounds a corner, also at 90 km/h, does it maintain a constant…

A: Speed is a scalar quantity. It has magnitude only, no any direction. Constant speed does not always…

Q: Once you hear the word motion, what comes to your mind first

A: Introduction: When we hear about motion it means the object is changing its position with respect to…

Q: What is deceleration?

A: When an object moves with some initial velocity, it may stop manually or apply the brake to stop;…

Q: You take a running leap of a high-diving platform. You were running at 2.8 m/s and hit the water…

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Q: Distinguish between speed and velocity?

A: To understand the difference between speed and velocity, we must understand the distance and…

Q: Is it possible that the car could have accelerated to 55mph within 268 meters if the car can only…

A: Finding the maximum acceleration of the car: Car accelerate from 0 to 60 mph in 15 seconds. and in…

Q: An object accelerates uniformly from rest to 8.4 m/s in 7.4 seconds. Find:the time it takes to…

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Q: How much distance does he travel ?

A: Given data; Speed of men=20 ms-1Time taken by him=60 minFind distance does he travel ?

Q: What is the deceleration of a race car if it comes to rest in 3.6 seconds from a speed of 99 km/hr?

A: The expression used to calculate deceleration of a race car is a=v-ut

Q: Oscar can run 11 miles in 90 minutes,while candy can run 6 miles in 50 minutes.Who is the faster…

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Q: If a car is moving at 90km/h and it rounds a corner, also at 90km/h , does it maintain constant…

A: If the car rounds the corner at speed of 90 kmph in means the speed pf the car is constant because…

Q: Show that the average speed of a rabbit that runs a distance of 30 m in a time of 2 s is 15 m/s.

A: The expression for the average speed is,

Q: Show that acceleration at any instant does not depend upon velocity at any instant?

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Q: Show that average speed of a rabbit that turns a distance of 30m in a time of 2s is 15m/s?

A: Given information:The total distance travelled by the rabbit (s) = 30 mTotal time take (t) = 2 s

Q: If a skydiver jumps from a plane and free falls, what is their velocity after 20 seconds?

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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: same, bigger, or emain motionles

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Q: What is the effect of air resistance on the acceleration of falling objects? What is the…

A: A freely falling object is any object moving either upward or downward under the influence of…

Q: When will a stone thrown vertically upward at 10 m/s reach the ground?

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Q: Which has greater deceleration, a bicycle slowing from 3 m/s to a stop in 6 seconds or a car slowing…

A: Given data: Initial speed of bicycle is, u=3 m/s. Final speed of bicycle is, v=0 m/s. Time interval…

Q: If an object falls downward, its acceleration and velocity?

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Q: A jet plane has a takeoff speed of vto =75 m/s and can movealong the runway at an average…

A: The formula to calculate the distance covered by the plane is,

Q: If you are travelling down the road at 10.0 m/s and hit the brakes to a stop in 3.0 meters, how far…

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Q: A marble drops down from a table. Right before hitting the ground, its velocity is 4.2 m/s. If air…

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Q: A jet plane has a takeoff speed of ? = 75 m/s and can move along the runway at an average…

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Q: A skater uniformly decreased her velocity from 6 m/s to zero (braking to a stop) over a distance of…

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Q: Calculate the acceleration of a ball that starts from rest and rolls down a ramp and reaches a speed…

A: Given: The initial speed of the ball is 0 m/s. The final speed of the bullet is 16.8 m/s. The time…

Q: Why do we disregard air resistance when calculating velocity?

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Q: What is the acceleration of a basketball starting at 30 m/s and then being CAUGHT after 2 seconds?

A: Given: u = 30 m/s, v = 0 m/s, t = 2 s

Q: If air resistance can be neglected ,how does the acceleration of a ball that has been tossed…

A: When a ball is tossed, the ball moves toward upward direction for a while because of the initial…

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: What is the fastest velocity? And what is the total distance?

A: Slope of a position-time graph gives the velocity. It is calculated as: v=change in positionchange…

Q: Why acceleration at any instant do not velocity at any instant?

A: Let’s take an example where, a ball is thrown up, the velocity of the ball at the highest point is…

Q: what constant acceleration will bring an automobile traveling 60 miles per hour to rest in 160 feet?

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Q: When a coin is tossed upward, what happens to its velocity while ascending? Its acceleration?…

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