Jenny and Alyssa are members of the cross-country team. On a training run, Jenny starts off and runs at a constant 3.8 m/s. Alyssa starts 15 s later and runs at a constant 4.0 m/s. At what time after Jenny’s start does Alyssa catchup with Jenny?

Q: A rocket is launched with an acceleration given by a(t)=2tj, where t is time in seconds. Find the…

A: Since acceleration is only in 'y' direction => ax = 0 => vx = v0x = 5 m/s Now for motion in y…

Q: Taylor is swimming in a race with only one lap (50m) to go. The first place swimmer is 16m ahead of…

A: We will use the equations of motion to solve this problem. First, we will find the time that Taylor…

Q: June walks for 15 minutes at 0.165 km/ min but then she remembers she is suppose to meet her friend…

A:

Q: elocity decreases linearly from 45 m/s to 0 m/s. 101 m 225 m 150 m 112 m

A:

Q: A motion detector is mounted on the floor, pointing straight up. A baseball is held 8 feet above the…

A:

Q: You are driving through town at 10.0 m/sm/s when suddenly a ball rolls out in front of you. You…

A:

Q: An object is moving with constant non-zero velocity in the +x direction. The velocity versus time…

A: Given:Object moving with constant velocity in                 the +x direction. To find: Velocity…

Q: During a video game, a point on the screen moved 16.6 cm in the positive y direction and then 13.6…

A:

Q: I need help on this problem: You go south of your friend's house 150 miles away at 50.0 MPH. Your…

A:

Q: x(t) = At2/(t+B)

A: Refer attachment

Q: Ima Rushin can travel from Milwaukee Avenue to the school entrance gate at a constant speed of 22.5…

A: Given:-  The constant speed of the Ima Rushin is u = 22.5 m/s. when the lights are green and there…

Q: Sarah is driving on a freeway in a forest at 13.0m/s when suddenly a deer runs in front of her and…

A:

Q: A race car starts from rest and travels east along a straight and level track. The eastward…

A: Given data -                           initial velocity of race car = 0 m/s (along east)…

Q: Bartholomew jogs from home at 3.50 m/s north for 1380 seconds. Then, he turns around and jogs 2.40…

A: Given: The jogger jogs from home at 3.50 m/s north for 1380 seconds. The jogger then turns around…

Q: A bug crawls across a large window. The position of the bug is given by to following equation: x(t)…

A:

Q: a van travels a distance d=25.6m in the positive x direction in a time t1=23.7s, at which point it…

A: The objective of the question is to calculate the van's average velocity, acceleration during the…

Q: You decide to drop a water balloon on a friend as a horribly inconsiderate prank that they shall…

A: Given that:- Speed of bike=11.4m/s

Q: Can you help me solve this problem please? A hot air ballon is rising into the air with a constant…

A: Here Initial velocity of the air ballon  = u 4.75 m/sHeight from the ground when a bag is dropped =…

Q: The velocity-versus-time graph shown below corresponds to a cyclist moving alo cyclist from t= 0 s…

A: Solution: From the graph

Q: a) acceleration of the particle at t = 20s c) position of the particle at t = 5s, 10s and 20s d)…

A: Given,                The velocity of the particle as a function of time is given by…

Q: Shown below is a graph of velocity-versus-time for a moving object. The object starts at position x…

A: From the graphAt t = 0 x = 0 m Initial velocity = u = 5 m/s At t = 4 s v = final velocity = 15 m/s…

Q: A student begins at rest and then walks north at a speed of v1 = 0.55 m/s. The student then turns…

A: Given: Speed v1 = 0.55 m/s along north direction Speed v2 = 0.53 m/s along south direction Taking…

Q: Shown below is a graph of velocity-versus-time for a moving object. The object starts at position x…

A: Initial velocity at t= 0s is 4m/sFinal velocity at t = 2s is 2m/sFinal velocity at t=4s is 2m/s

Q: Situation 01. Samantha has a height of 1.83 meters measured from the ground surface. She then lifts…

A: =4.486 m

Q: A car is traveling at a steady 80 km/h in a 50 km/h zone. A police motorcycle takes off at the…

A: We have to determine the time elapses before the motorcycle is moving as fast as the car. We are…

Q: 2. A motorcyclist and a runner are in a road race. The runner runs the entire 1500 meters at a speed…

A: Given data:  Total distance (d) = 1500 m Speed of runner(Vr) = 0.2 m/s Motorcyclist covers 1st 500m…

Q: A shopper uses the 55-meter long walkalator that goes at 1.5 m/s from the meat section to the…

A: Given that,Velocity of walkalator : vw = 1.5 (m/sec)Velocity of shopper : vs = 1.25…

Q: A rabbit is hopping along at an approximately constant speed of 5.1 m/s. The rabbit passes a…

A: Given data:  Constant Speed of the rabbit (v) = 5.1 m/s Initial velocity of cat (u) = 0 m/s…

Q: need during the remaining portion of the race, side-by-side with Sally?

A: In this question we will be first solving how long it takes to reach the finish line and then we…

Q: A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who…

A: The waiting time is 2.2 s. Apply the first kinematic equation to determine the time when the…

Q: A football quarterback runs 11.5 m straight down the playing field in 2.42 s. He is then hit and…

A: Distance traveled and time,

Q: 1. A stone is dropped from the top of a cliff. It is seen to hit the ground below after 4.5 seconds.…

A: Given Stone thrown from the cliff and it hit the ground after 4.5 sec To find out Height of the…

Q: A car is traveling along a straight road at a velocity of +38.1 m/s when its engine cuts out. For…

A: The kinematic equation for velocity:vf​=vi​+atWhere:vf is the final velocity,vi​ is the initial…

Q: At a stop light, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels…

A:

Q: Basam is standing on the edge of a cliff and tosses her physics book upward with a speed of 22.0…

A:

Q: A gazelle runs past a cheetah crouching below the grass on the planes of the savanna. When the…

A:

Q: The runway of NAIA airport has a total length of 530 m. A plane 2500 m away from the beginning of…

A:

Q: A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has…

A: Given Data:The cat has a head start of The speed of the dog is Time taken by Dog to catch the cat is…

Q: Here you see a single loop of stiff wire, 10.0 cm on a side, immersed in a magnetic field of 0.225…

A:

Q: ow far is the tractor in front of you when you finally stop?

A: initial speed u = 23.6 m/s  acceleration a = - 7.2 m/s2  final speed v = 0

Q: Wile E. Coyote is chasing the roadrunner and falls off a cliff. It takes Wile E Coyote 7 long…

A:

Q: A particle moves along a straight line with an acceleration described by the equation, a = 3t2 + 2t…

A: Given,acceleration of the particle, a = 3t2 + 2t + 4velocity of the particle at, t = 4 sec, v(4) =…

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 –