During a walk on the Moon, an astronaut accidentally drops his camera over a cliff. It leaves his hands with zero speed, and after 2.00 s it attains a velocity of 5.70 m/s downward. How far has the camera fallen after 8.00 s? -11.4 * m

Q: 41. Lisa rushes down onto a subway platform to find her train already departing. She stops and…

A:

Q: A car starts from rest and 2.) accelerates constantly so that it covers 50 m in 3 s. (be careful!!,…

A: Here we use equation of motion

Q: Find acceleration Final velocity=5.5 m/s Initial velocity=2.3 m/s Time=2 s

A: Given data : Initial velocity=U Final velocity=V Time=t   Required : Acceleration

Q: A bus accelerates from rest at 1.25 m/s for 1.5 s. What is the (a) final velocity and (b) the total…

A: initial velocity = V0= 0 m/s ( rest) acceleration = a = 1.25 m/s2 time = t = 11. 5 sec

Q: A speeding car traveling at a constant velocity of 3 × 10'm/s passes a police car initially at rest…

A:

Q: An acceleration of 90.0 m/s^2 was experienced by a rocket which was launched upward. The…

A: Given that, The acceleration of 90.0 m/s2 was experienced by a rocket that was launched upward.  The…

Q: A ball is thrown from the top of a building with an initial velocity of 20:0 m=s straight upward ,at…

A: Initial upwards velocity (u) = 20 msInitial height (h) = 50 m

Q: 4. A ballplayer catches a ball 3.3 s after throwing vertically upward. With what speed did he throw…

A:

Q: A person takes a trip, driving with a constant speed of 91.0 km/h except for a 22.0 min rest stop.…

A: The average speed is given by,  vavg=Total distancetotal time     =v1t1+v2t2t1+t2 Given : The person…

Q: A girl is walking at a straight direction with a steady speed of 0.5 meters per second. If it took…

A:

Q: A certain freely falling object requires 1.40 s to travel the last 36.5 m before it hits the ground.…

A: Given The distance traveled in 1.40 s is So = 36.5 m. The time is taken by the object to cover So…

Q: 2. A woman on a bicycle climbs a hill at 4.00 m/s and then returns down the same hill at 8.00 m/s.…

A: The average speed the overall rapidity with which the particle moves in this interval.  The woman…

Q: 14. Starting from rest, an airplane needs 500 meter of runway and time required is 25 seconds. Find…

A:

Q: Find the acceleration Initial velocity=1.6 m/s Final velocity=22 m/s Time=10 s

A: Given: The initial velocity is 1.6 m/s. The final velocity of the object is 22 m/s. The time…

Q: A ball is thrown straight upward and 11.) has a hang time of 3.4 s. А.) Determine the initial…

A: given; hang time = 3.4 sec

Q: A car is speeding at a constant speed 32 m/s passes a still police car which immediately takes off…

A: Given, initial velocity car uc = 32 m/s Acceleration of police car ac =4 m/s2  Initial velocity of…

Q: 11. You start from your house at 10:00am, goes to the grocery shop and then to your friend's house.…

A:

Q: A person takes a trip, driving with a constant speed of 91.0 km/h except for a 22.0 min rest stop.…

A:

Q: acceleration 8 7 positive acceleration negative acceleration 4 Velocity in m/s 3.

A: Given  Velocity time graph

Q: In a 100-m race, the winner is timed at 11.2 s. The second-place finisher’s time is 11.6 s. How far…

A: The velocity of the runner 1,   The velocity of the runner 2,

Q: A stone was accidentally dropped from the top of a building 56 m high. After 0.38 s, another stone…

A:

Q: Find the acceleration Final velocity=10 m/s Initial velocity=5 m/s Time=2 s

A:

Q: During a walk on the Moon, an astronaut accidentally drops his camera over a cliff. It leaves his…

A: Given: The initial speed of the camera when it leaves the astronaut's hands: u = 0 m/s. The…

Q: 2. A ball thrown vertically upward from the ground with an initial speed 15m /s. Find that a) The…

A:

Q: A car moves with a constant velocity of 6.7 m/s and passes a road sign. A truck begins to move just…

A:

Q: A car traveling in a straight line with an initial velocity of 14 m/s accelerates at a rate of 2 m/s…

A: From equation of motion, v2 = u2 + 2as s = (v2-u2)/2a where, v = final velocity u = initial velocity…

Q: A car accelerates from rest for 6 seconds with a constant acceleration of 1.5 m/s². Find the final…

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Q: A lead ball is dropped into a lake from a diving board 5.0m above the water. After entering the…

A:

Q: -vel 5. Ablue car and a red car are racing. They start in the same place.at the same time. The blue…

A: three equation of motion are v = u +at  v2 - u2 = 2as  s = ut + 0.5gt2     here  v = final velocity…

Q: From a helicopter that is suspended in the air, a military man falls freely by 119.17 m and at that…

A: Recall vf=vi+atandy=1/2gt2 when vi=0

Q: is dropped from a cliff. After it has passed a point 12 m below the edge of the A rocket moves…

A:

Q: A ball is thrown straight up with an initial velocity of 17.8 m/s. How long will it take (seconds)…

A: Given : Initial upwards velocity (u) = 17.8 msTo find : time of flight , that is the time taken by…

Q: A bus is moving at a speed of 20 m/sec starts to slow at a constant rate of 3 m/sec ^2. Find how far…

A: The initial speed of the bus is, u=20 m/s   The deceleration of the bus is, a=-3 m/s2   The final…

Q: A car traveling in a straight line with an initial velocity of 34 m/s accelerates at a rate of 2.0…

A: First find the time taken to increase the velocity from 34 ms to 58 ms t=v-ua=58 ms-34 ms2.0 ms2=12…

Q: An Olympic class sprinter starts a race from rest with an acceleration of 4.7m/s^2. Take her…

A: Given data:  Initial velocity (Vi) = 0 m/s Acceleration (a) = 4.7 m/s2 Time (t) = 2.7 s Required:…

Q: Find the acceleration Initial velocity=7 m/s Final velocity=7.5 m/s Time 3 s

A: Given data: Initial velocity (u) = 7 m/s Final velocity (v) = 7.5 m/s Time (t) = 3 s Required:…

Q: 11. A car has an initial speed of 20 m/s and an acceleration of -1m/s^2. Find the displacement (m)…

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Q: Answers should be in 3 decimal places.   A particle moving in a straight line has an acceleration…

A:

Q: A train has an initial velocity of 4 m/s. It begins to accelerate at 1.5 m/s2 in 30 seconds. What…

A: Given: Initial speed u=4 m/s Acceleration of train a=1.5 m/s2 Time t=30 s

Q: During a walk on the Moon, an astronaut accidentally drops his camera over a cliff. It leaves his…

A:

Q: A ball is thrown from the top of a building with an initial velocity of 20:0 m=s straight upward ,at…

A:

Q: 5. With what velocity must a stone be thrown vertically upward to reach a maximum height of 50m? How…

A: The stone is thrown vertically upwards, so the final velocity of the stone is zero,  Use the third…

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 –