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erastova [34]
3 years ago
8

During a race a Sprinter increases from 5.0 meters per second to 7.5 meters per second over a period of 1.25 seconds what is the

sprinters average acceleration during this period.
Physics
1 answer:
maxonik [38]3 years ago
3 0
V₀ = 5,0 m/s
V = 7,5 m/s
t = 1,25 s
_________

a = (V-V₀) / t = (7,5 - 5,0 ) /  1,25 =  2,50 / 1,25 = 2 m/s²

Answer: acceleration a=2 m/s²


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If the man pushes with a force of 2000N and friction is 500N, what is the resultant force?
alexandr402 [8]

Answer:

Explanation:

If the force of 2000 N is directed towards the right and the friction is directed towards the left, the 2000 N force is positive and the other is negative. To find the resultant force:

2000 - 500 = 1500 N to the right

3 0
3 years ago
A golf ball traveling 3m/s to the right collides in a head-on collision with a stationary bowling ball in a friction-free enviro
Vladimir79 [104]

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Explanation:

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4 years ago
A battery is two or more individual cells connected together. Some large trucks utilize large 24 volt lead acid batteries. How m
uranmaximum [27]

Answer:

 #_pile = 12 celdas

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serially connected

5 0
3 years ago
A wad of clay of mass m1 = 0.49 kg with an initial horizontal velocity v1 = 1.89 m/s hits and adheres to the massless rigid bar
notka56 [123]

Answer:

<h2>The angular velocity just after collision is given as</h2><h2>\omega = 0.23 rad/s</h2><h2>At the time of collision the hinge point will exert net external force on it so linear momentum is not conserved</h2>

Explanation:

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L_i = L_f

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6 0
3 years ago
An object falling straight down without air resistance is said to be exhibiting
Tanzania [10]

Answer:

Explanation:

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