The thickest and strongest chamber in the human heart is the lest ventricle,responnsible during systole for pumping oxygenated blood through the aorta to rest of the body.Assume aortic blood starts from rest and accelerates at 22.5 m/s2 to  a speak speed of 1.05 m/s. (a) How far does the blood travel during this acceleration? (b) How much time  is required for the blood to reach its peak speed?

Q: At the end of a race a runner decelerates from a velocity of 7.00 m/s at a rate of 0.400 m/s2. (a)…

A: Given that: (a) The distance traveled by a runner in 15 s is calculated by using the kinematics…

Q: (a) A runner starts a race at rest then accelerates for 10.0 s reaching a velocity of 9 m/s. How far…

A: initial velocity = V0= 0 m/s time = t = 10 sec final velocity = V = 9 m/s

Q: If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest, what is her acceleration?…

A: SOlurion: Given that If it takes a bicyclist 20 seconds to reach a speed of 10 mph from rest,  For…

Q: Grant is an overzealous new driver, out for the first time without his mom. He stopped at a red lght…

A: At t = 0 s, when Grant takes off at the Green light; The velocity, v0=0 m/s The acceleration, a1=3.0…

Q: A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 5.8 s. (Assume the car travels…

A: (a)Given thatinitial velicity=0 m/sfinal velocity=44.7 m/stime=5.8 secAverage acceleration=final…

Q: A soft tennis ball is dropped onto a hard floor from a height of 1.90 m and rebounds to a height of…

A: Given : h1 = -1.90 m (negative because of downward motion) h2 = 1.34 m dt = 3.50 ms = 3.50 × 10-3 s

Q: An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s…

A: (a) From kinematics, the formula for the final velocity of the player be:

Q: ball is thrown up at 70 m/s. It goes up and then falls to its original height. (a) How long does it…

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

Q: The brakes are applied to a moving car, causing it to uniformly slow down. While slowing, it moves a…

A:

Q: A particle P moves with constant acceleration (-41+2j)ms. At time t= 0 seconds, P is movirn with…

A: Given:- The particle P moves with constant acceleration a = -4i +2j ms-2  At time t =0 second, P is…

Q: Usian Bolt ran a portion of the 100 m sprint with an average step length of 2.6 m and an average…

A: Given data: Sprint distance, d=100 m Average step length, l=2.6 m Average velocity, v=12.09 m/s

Q: At the end of a race a runner decelerates from a velocity of 9.20 m/s at a rate of 1.90 m/s2. (a)…

A: Step 1: Part (a): Distance traveled The initial velocity (v0​​) is 9.20 m/s, and the deceleration…

Q: An unwary football player collides with a padded goalpost while running at a velocity of 7.50 m/s…

A: Answer is uploaded in the 2nd step

Q: During a hard sneeze, your eyes might shut for 0.44 s. If you are driving a car at 75 km/h during…

A:

Q: a) If a flea can jump straight up to a height of 0.440 m, what is its initial speed as it leaves the…

A:

Q: Initially stationary, a train has a constant acceleration of 0.6 m/s. (a) What is its speed after 25…

A:

Q: A particle's velocity is given by vlt) = -atj, where a = 0.725 m/s? is a constant. (a) Describe the…

A: (a)

Q: soft tennis ball is dropped onto a hard floor from a height of 1.85 m and rebounds to a height of…

A: Given  Height =1.85m rebounding height =1.41m t=3.50ms.

Q: (a) A soccer player kicks a rock horizontally off a 33 m high cliff into a pool of water. If the…

A: Consider the rock is falling in the y axis.Use the equation,The time taken by sound to reach player…

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 –