Asked Oct 16, 2019
A sprinter accelerates from rest to 9.50 m/s in 1.28 s .

What is her acceleration in m/s2?

What is her acceleration in km/h2?
check_circleExpert Solution
Step 1

The acceleration is

у —и

Image Transcriptionclose

у —и ] а- t

Step 2

Substitute the values in equation (1) to fi...

= 7.42m/s2

Image Transcriptionclose

(9.50m/s)-(0m/s) a 1.28s = 7.42m/s2


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour*

See Solution
*Response times may vary by subject and question
Tagged in



Related Physics Q&A

Find answers to questions asked by student like you

Show more Q&A add

Q: A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. As...

A: Given values:Acceleration of the plan, a = 5.00 m /s2Length of runway, S = 1800 mInitial velocity of...


Q: Hi, here's my question. 26.84:  In the figure, a resistor lies along each edge of a cube with connec...

A: Given:A cube of side length a has equal resistors along each side.


Q: A pitcher supplies a power of P = 203 W to a baseball of mass m = 0.095 kg for a period of t = 0.29 ...

A: Write the expression for the power supplied to the baseball, that is, the rate of energy transferred...


Q: A toy rocket engine is securely fastened to a large puck that can glide with negligible friction ove...

A: The initial velocity of the puck is 2.00im/s, and the final velocity is (6i+16j)m/s.(a)Write the exp...


Q: What is the minimum work needed to push a 800 kg car 930 m up along a 7.5 ∘ incline? A) Ignore frict...

A: a)Consider the following diagram of car.


Q: Two blocks are side by side. The larger is 12kg (on the left), while the smaller is 5kg (on the righ...

A: Since the two blocks are placed side by side, they will experience the same acceleration when the fo...


Q: A railroad diesel engine weighs four times as much as a freight car. The diesel engine coasts at 7.0...

A: Using conservation of momentum,


Q: 1. We know that a speaker that is 3m away from us is playing music at an intensity of 0.89W/m2 What ...

A: 1)the power is given by,


Q: A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (o...

A: The baseball is in projectile motion. The horizontal component of the velocity of the ball will be c...