If the particle maintains the same acceleration, its speed after 100 seconds is?

Q: A ball is dropped from the top of a tower 80 ft. high at the same instant that a second ball is…

A: height of tower = h = 80 ft initial velocity of second ball = 40 ft/s

Q: A stone falls freely under gravity. It covers distances h, h, and h, in the first 5 seconds, the…

A: The distance covered by stone in first 5 seconds will be; h1=12g(5)2=25g2 The distance covered by…

Q: Car and a delivery truck both start from rest and accelerate at the same rate . However, the car…

A:

Q: A car moving with a speed of 90km/h was brough to rest by the application of brakes in 10 second.how…

A: Initial velocity of car =90km/hr =25m/s Final velocity of car = 0 time t = 10s

Q: How long would it take a water ballon initially at rest to fall a distance of 245m

A: since it is freely falling object acceleration of object is g

Q: You stand at the top of a cliff while your friend stands on the ground below you. You drop a ball…

A: Suppose the height of cliff is h in meters. Initial speed  (u)=0 m/s (Because dropped) Time (t) =…

Q: A go-cart, initially at rest, accelerates downhill at a rate of 3.0 m/s² for 8.0 s. Calculate the…

A: Given data:  Initial velocity (u) = 0 m/s Acceleration (a) = 3.0 m/s2 Time (t) = 8.0 s Required:…

Q: A body accelerates from rest by 2m/s and reaches the maximum distance of 100m. How long did the body…

A: Given: The intial velocity is 0 m/s. The final velocity is 2 m/s. The total distance traveled by the…

Q: Why is there a change in acceleration as ball rolls down in a ramp?

A: Force of gravity is always directed vertically downwards. When a ball rolls down in a ramp,…

Q: Distinguish between speed and velocity?

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

Q: When sailing, the wind feels stronger when you sail upwind (“beating”) than when you are sailing…

A: The flowing wind applies a force (F) on the person of mass m that is given by Newton’s II law of…

Q: When a projectile motion reaches maximum height, the velocity becomes _____________ in direction to…

A: as we know that when any particle which follows projectile motion travelling in parabolic path as…

Q: An air gun accelerates a 2.9 * 10^-3 nail from rest to a velocity of 540 m/s in the -z direction.…

A:

Q: If it weren't for air resistance, raindrops would be dangerous! If a raindrop initially at rest in a…

A: Given u = 0 t = 16 sec

Q: If no brakes are used immediately, an automobile with a starting velocity of 30 mph or 44 feet/s…

A:

Q: why does stopping distance for a car depends on the initial speed

A:

Q: A boat is rowed at 8 km/h directly across a river thats flows at 3 km/h. What is the resultant speed…

A:

Q: You are going to your hometown by a bus that is moving with acceleration. During the journey, you…

A: Bus is moving with velocity and having acceleration.  When coin is tossed upward then it have same…

Q: A ball is tossed at an angle. It moves in an arc, reaches its highest point, and then falls in an…

A:

Q: A rubber ball is dropped from a height of 10 meters. The ball bounces approximately half the…

A: Given that, Initial height is h= 10 m After 1st bounce it travels h/2 After second bounce it travels…

Q: A vehicle running at a speed of 40 m/s decelerates and stops after 10 s. What is the acceleration of…

A: Given:- the initial speed of the car u= 40 m/s  stopping time is t= 10 sec  Find:-  What is the…

Q: Negative acceleration is known is-----

A: The answer for given question is given in the next section,

Q: You throw a ball upward. After half of the time to the highest point, the ball has covered

A:

Q: If the particle maintains the same acceleration, the distance it will cover after 100 seconds is?

A:

Q: If the particle maintains the same speed, the distance it will cover after 100 seconds is?

A: Required : If the velocity is constant. The distance covered in 100 s.

Q: - A boat sets sail moving at 65 mph due S boat then encounters a head wind mov direction that the…

A:

Q: A fish is dropped from a height of 70m. How much time does it take for the fish to fall back down…

A: The given values are, h=70 mt=?

Q: If the speed does not change,but the direction changes,there will be acceleration (true or false…

A: Given data:   Speed constant but direction changes Required: Acceleration present or not

Q: Consider a ball thrown off the top of a cliff. In which case will it hit the ground with a greater…

A:

Q: A 60kg soccer player jumps vertically upward and head the ball 0.45kg ball as if is descending…

A: Given data: Mass of the soccer player mS=60 kg Mass of the ball mB=0.45 kg Speed of the ball before…

Q: In a collision does the acceleration of two blocks sticking together increase or decrease its…

A:

Q: A ship being launched slides down the ways with a constant acceleration. It takes 20 secs to slide…

A: Given data: The time taken by the ship to slide S1=1 m is t1=20 s.   Calculate the constant…

Q: You stand at the top of a cliff while your friend stands on the ground below you. You drop a ball…

A:

Q: A cat drops from a shelf 3.9 ft above the floor and lands on all four feet. His legs bring him to a…

A:

Q: When you throw an object into the air, is its return speed just before hitting your hand the same as…

A: Yes, the initial velocity of the ball from the ground and just before reaching the ground are same.

Q: Discuss whether or not it is possible for an object to be increasing in speed as its acceleration is…

A: Speed is the derivative of distance with respect to time. It means increasing speed is the result…

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: From a cliff above a road, a boulder falls down during a storm. The cliff is 65ft. high. How long…

A: The second equation of motion is  s = u t + 0.5 at2 where, s is the distance, u is the initial…

Q: carries private airplane cannot fly until it reaches a speed of 30 MS if it takes 10 s to accelerate…

A: Given : speed of airplane, s = 30 m/s Time taken by air plane = 10 s

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –