A sprinter is able to produce an acceleration of 8.0 m/s² for the first 0.75 seconds of a race. Calculate the velocity of the sprinter at the end of the first 0.75 sec. a) 6.0 m/s² b) 0 m/s² c) 8.0 m/s² d) 12 m/s²

Q: A car is moving along a straight path between points O and B. The record of motion is as follows:…

A: Given that, Initial velocity at O = 10 m/s Acceleration = - 2 m/s2 Distance O to A = 21 m Time for A…

Q: Position-Time Graph 30- driving at constant speed E 20 - speeding up 10- driving up a steep hill…

A: The position-time graph that represents the motion of the car is shown as,

Q: A falling object travels one half of its total distance during the last second of its fall. Assuming…

A: Given quantities: initial velocity (u) = 0  acceleration due to gravity (g) = 10.0 m/s2   Let, the…

Q: A bus accelerated from rest to velocity of 18 m/s in 12seconds, then maintains that velocity for…

A:

Q: A motorist drives along a straight road at a constant speed of 17.5 m/s. Just as she passes a parked…

A: Given data:  Speed of motorist (v) = 17.5 m/s Initial velocity of officer (Vi) = 0 m/s Acceleration…

Q: Starting from rest, a car accelerates at a constant rate of 5.2 m/s2 for a total of 5 seconds.…

A: The formula for distance travelled by car is, s=ut+12at2 Here, the initial velocity is u,…

Q: A car accelerates from initial velocity of 10 m/s. the acceleration is increasing uniformly from…

A: !!

Q: A cyclist starting from rest accelerates uniformly at 1.5ms-2 for 4s and then travels at constant…

A: Given data: Uniform acceleration a=1.5 m/s2 Initial velocity u= 0m/s time t=4s

Q: Motion along a Line with Constant Acceleration. A car is speeding up and has an instantaneous…

A:

Q: A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of…

A: Given: The speed of the friend is 4 m/s uniformly. The initial speed of the bicyclist is 0 m/s. The…

Q: Michael, a Grab driver receives a booking from his mobile phone and goes out of the highway to pick…

A:

Q: An accelerograph records the acceleration of a train. Assume the train was moving in a straight line…

A: Acceleration is defined as rate of change of velocity per unit time. It means if there is an…

Q: driver in a moving car applies the brakes. The car slows to a final speed of 1.70 m/s over a…

A: This problem can be solved by using first and third equation of motion which is given as v = u + at…

Q: 2. Lucas and Greyson are running a race. Lucas starts the race 10 m closer to the finish line than…

A:

Q: 2. Plot Instantaneous velocity vs. time graph (this is a bar graph). Note that for constant…

A: Time (dots) Instantaneous  velocity (cm/dot) 2.5 0.21 7.5 0.46 12.5 0.72 17.5 0.89…

Q: A potato is launched vertically upward with an initial velocity of 114 ft/s from a potato gun at the…

A:

Q: Buzz Lightyear is standing on top of a building on the planet Zook. He wishes to determine the…

A:

Q: Two rockets start from rest at the same elevation. Rocket A accelerates vertically at 24 m/s^2 for…

A: We use kinematical equations. S=ut+1/2at2, u=0V=u+at

Q: A dragster in a race accelerated from stop to 60 m/s by the time it reached the finish line. The…

A: Write the given values with the suitable variables. u=0 m/sv=60 m/st=8 s Here, u, v, and t are the…

Q: The car moves on a very long straight highway at an initial velocity of 2.0m/s when it started to…

A: Given: The intial velocity of the car is 2 m/s. The acceleration of the car is 1.5 m/s2. The…

Q: A car with good tyres on a dry road can decelerate at about 5.00 m s-2 when braking. Suppose a car…

A: Given acceleration of car = 5.00 m/s2 iinitial velocity = u = 100.0 km/h final velocity = v = 0…

Q: A car ride consists of two segments. During segment A the car starts from rest, has an acceleration…

A: Equation of motions V=u+at S=ut+1/2at2 v2 = u2 +2aS

Q: 8) Use your graph above to answer the following question: For each suspects' bullet, after th 1…

A: Given 6 )  The calculate the velocity  of each bullet along its path  The Instantaneous velocity =…

Q: A sprinter running a 100 meter race start at rest accelerate at constant acceleration with magnitude…

A:

Q: A car was moving with a constant speed of 80 km/h passed by a policeman, who decided to catch it and…

A: Data:→ Speed of car:Vc =80km/h =80518                        =22.22m/s→Speed of policeman is VP…

Q: At the end of a (straight) 100 m race, a runner decelerates from a velocity of 9.00 m/s at a rate of…

A: Given that: At t=0, velocity of runner, ux=9.00 m/s2Acceleration, ax=-2.00 m/s2Distance from the…

Q: Question Help Two cars start from rest at a traffic light and accelerate for several minutes. The…

A: Given that Two cars starts from rest and accelerate for several minutes.

Q: A body moving in a straight line. The following equation determines its position (3 - x = 2 +t) t,…

A: Position  3-x = 2+t  x= 3-2-t = 1-t  x= 1-t

Q: Interpretation of x-t and v-t graph A motorcycle travels along the x- axis. The velocity versus time…

A: For the given, v-t graph.

Q: A muon is moving 16 m/s west when it experiences a constant acceleration of 8 m/s² east. During this…

A:

Q: ronman steps from the top of a tall building. He falls freely from rest to the ground a distance of…

A: Consider the last interval of time of 1.0 s during the fall…

Q: Speedboat A speedboat moves on a lake with an initial velocity of (5.00 m/s, -2.50 m/s). Then the…

A:

Q: Car moving with velocity 30 m/s. If the driver press the break then the car slow down by 6 m/s^2.…

A: Given : vo = 30 m/s a = -6 m/s2 (negative because car slows down)

Q: A little girl accidentally drops a 62 kg object from her balcony. This balcony has a height of 493…

A: The distance and acceleration are known quantities. First, convert the height into the base SI unit…

Q: A basketball is dropped from a walkway above Bartow Arena. It falls from rest with a constant…

A:

Q: Renatta Gas did it again. She failed to fill up her tank during the last four weeks. The…

A: a) Slope of v vs t graph gives acceleration Ans. acceleration 3m/s2

Q: 4. (a) Om 8m D - → • Which of the following answer choices correctly explains the motion of Object D…

A: 4) Motion map is given for two objects B and D which are moving between 0 m to 8 m mark.

Q: A runner begins from rest and accelerates at a rate of 20.22 m/s2 for 15 seconds. Calculate the…

A: The distance traveled is given by,

Q: A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 5.14 m per s2 .…

A: Acceleration of   Kathy Kool’s car  ak = 5.14 m/s2 Acceleration of Stan Speedy ‘s car  as  = 3.68…

Q: During the late 1940's, Colonel John Paul Stapp was a pioneer in studying the effects of…

A: maximum speed (u) = 632 mph acceleration = - 46.2 g final speed (v) = 0 ms

Q: You are standing at rest at a bus stop. A bus moving at a constant speed of 5.00 m>s passes you.…

A:

Q: 4. A street dog runs toward a cat, and then turns around to safety. A graph of its velocity and time…

A: From the graph we have: Initial velocity, u=-3 m/s Final velocity, v=3 m/s Time has taken, t=10 s…

Q: An over the shoulder can greatly increase your chance of surviving an overwise fatal car crah,…

A:

Q: A car moving at a rate of 5m/s has reached rest over a distance of 20m. Find Acceleration and Time…

A:

Q: Karen bikes at 8 mph for 0.3 hours from home to the park. At soon as she arrives, Karen remembers…

A: Velocity is the rate of displacement of a body. A velocity-time graph shows the speed and direction…

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.