What is the speed

Q: A ball is thrown straight down with an initial speed of 2.0 m/s from a height of 15 m. What is the…

A: Initial speed u=2 m/s Acceleration a=g=9.8 m/s2 Let the displacement in time t=3 s is d .

Q: A steel ball is dropped from a diving platform (with an initial velocity of zero). Use the…

A: Given initial velocity of the steel ball is u = 0 and the ball is in free fall under gravity. so the…

Q: A student drives 40 km south in an attempt to get to a science fair competition before realizing he…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: A car manufacturer advertises that a car goes "from zero to sixty in 8 seconds." This is a…

A: Average speed : Average speed is defines as Total distance traveled by car is divided by total time…

Q: Maximum velocity (in m/s). b) The total time it travels at maximum velocity.

A: Area under velocity time graph represent displacement

Q: Two friends watch a jogger complete a 400 m lap around the track in 100 s. One of the friends…

A: distance, d = 400 m time, t = 100 s

Q: Calculate the height (in m) of a cliff if it takes 2.24 s for a rock to hit the ground when it is…

A:

Q: Ball with initial speed of 4m/s rolls down an incline with acceleration of 2m/s^2. If final speed is…

A: Expression to find the length v2=u2+2as Rearrange to find s 2as=v2-u2s=v2-u22a  =8 ms2-4 ms222 ms2…

Q: A bomb is designed to explode 2.00 s after it is armed. The bomb is launched from earth and…

A: Solution:

Q: A boat is stationary at 12 meters away from a dock. The boat then begins to move toward the dock…

A: Given data: Distance (d) = 12 m Initial velocity (v0) = 0 m/s Acceleration (a) = 5.0 m/s2 Required:…

Q: A car accelerates from a stop light at 3m/s^2. How many seconds until it is traveling at a velocity…

A:

Q: acceleration

A:

Q: A runner in a marathon passes the 8-mile mark at 1 o'clock and the 23-mile mark at 3 o'clock. What…

A: Given data The initial position of the runner is xi = 8 miles. The final position of the runner is…

Q: A cross-country runner runs 10 km in 40 minutes. What is his average speed

A:

Q: Jenny and Alyssa are members of the cross-country team. On a training run, Jenny starts off and runs…

A: Given,

Q: A car is going 22 m/s for 24 s. Draw an accurate graph showing the distance versus time for the car

A:

Q: A car changes its velocity from 110 m/sec to 120 m/sec in 10 sec. What is the average acceleration

A:

Q: A car is traveling 38 m/s when the driver hits his brake slowing the car 11 m/s^2.  What is the…

A: Given : vo = 38 m/s a = -11 m/s2 (because car slows down) t = 3 seconds

Q: Sophie is a football player. Her teammate passes the ball to her with a speed of 15.0m/s. Sophie…

A: Given:         v1= 15 m/s         v2= 30 m/s        ∆t = 9 ms= 9×10-3s

Q: 5) A stone is thrown vertically upward from the ed ge of a roof 20.0 meters high. Initial velocity…

A: Given value--- initial speed = 12 m/s. height of roof = 20 m. We have to find--- Find time to hit…

Q: A ball is dropped from a height of 90 m on a floor. At each collision with the floor, the ball loses…

A: Let the height from which the ball is initially dropped be denoted by h1.Use the third kinematic…

Q: A billiard ball is moving initially at 16m/s and is accelerating at -2m/s^2. The ball travels 4m.…

A:

Q: A car decelerates at 2.0 m/s 2 and comes to a stop after travelling 25 m. Find the time required to…

A:

Q: A car and a motorcycle moves on a straight line. The car starts 8 meters ahead of the motorcycle. If…

A: Answer: 2s (2nd option)

Q: A soccer ball is kicked from rest to 10 m/s. The foot is in contact with the ball causing the…

A: The acceleration is, a=v-ut

Q: Starting from rest, a car accelerates at a rate of 8.1 m/s for 5.1 seconds. What is its velocity at…

A: Given: The initial velocity of the object is 0 m/s. The final acceleration of the object is 8.1…

Q: A 500kg car moving to the north at 45m/s crashes head-on into a 600kg car that is moving the south…

A:

Q: I am also having trouble solving this problem since it includes the acceleration with its initial…

A: We know from Kinematic equation that distance travelled:s=ut+12at2here given :u=10 m/sa=2.2 m/s2t=2…

Q: DEȚAILS A walker covers a distance of 2.2 km in a time of 32 minutes. What is the average speed of…

A: The expression for average speed  vav is given by,

Q: velocity after two seconds

A:

Q: A car starting from rest is accelerated for 1m/s^2 for 4 seconds. It continue constant velocity for…

A: solution:

Q: a person runs the first half of a 5km race in 12 min and the second half of the race in 16 min. what…

A: Total distance of race = 5 km   Time taken to complete first half that is 2.5 km = 12 min   = 1260…

Q: A ball rolling in a straight line decelerates at 0.6 m/s? to 2 m/s in 10 s. What is the initial…

A: Write the given values with the suitable variables. a=-0.6 m/s2v=2 m/st=10 s Here, a is the…

Q: A car travel north at 30 m/s for 10 min, it then travels south at 40 m/s for 20 min. what are the…

A: A = 30 m/s for 10  min north  B = 40 m/s for 20 min south

Q: A pumpkin is shot straight up with an initial speed of 59 m/s. How long does it take to reach its…

A: Given,  Initial velocity,u=59 ms g=10 ms2 Since it moves straight up vertically , at the highest…

Q: A ball on the ground is shot straight up and it reaches a maximum height of 25 m. What is the…

A: Explanation The ball is shot straight up. As gravitational acceleration is acting vertically…

Q: A car has a speed of 30 m/s and the acceleration 4m/s^2 at the time t=8sec what is the speed of the…

A:

Q: initial velocity - 25 km/h final velocity - 1200 km/h time - 2 min what is the acceleration

A:

Q: An auto manufacturer advertises that their car can go "from zero to sixty in eight seconds." This is…

A:

Q: A ball is tossed up into the air. It takes the ball 6.2 seconds to return to the persons hands. What…

A:

Q: This is a multi-part question. Once an answer is submitted, you will be unable to return to this…

A: Given value--- total distance = 100 m. time taken to cover 55m = 7.9 s. We have to find---…

Q: A cannonball is dropped off a 55 m high castle wall. How long will the cannonball be in the air…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: and the acceleration is 4m/s^2. At a time 3 sec what is the

A: The initial velocity of the object  u = 25 m/s  The acceleration of the object is a = 4 m/s2  The…

Q: A toy car runs off a table with an initial velocity of 3.1 m/s. The car lands 1.9 m from the edge of…

A:

Q: A football player has an initial speed of 8 m/s and is stopped by a defensive lineman in a time…

A: Given data: Initial speed of football player is, u=8 m/s. Time interval is, t=2.0 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 –