2 years ago

What is the average speed in the last 1s? With Explanation Please

Physics

1 answer:

I am Lyosha [343]2 years ago

5 0

$this \: is \: my \: attachment \: answer \: hope \: its \: helpful \: to \: you$

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If the shoe has less mass, it will experience _______________ (more, less, the same) friction as it would with more mass.

Valentin [98]

More I’m pretty sure but no promises

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3 years ago

A ball rolls off an 8.0 m high building and strikes the ground 5.0 m away from the base of the building. How fast was the ball r

HACTEHA [7]

Answer: horizontal speed is 3.9 m/s

Explanation: when ball starts to drop, its vertical speed v0 is zero.

We can calculate dropping time from s = v0t +0.5gt².

Dropping time t= √(2s/g)= √((2·8.0 m)/9.81 m/s²)= 1.277 s

Because ball travels horizontal distance s= 5.0 m

HorizontalSpeed v = s/t = 5.0 m/1.277s= 3,915 m/s

4 0

2 years ago

Find the acceleration of a car that can go from rest to 50 km/h in 13 s

ziro4ka [17]

The acceleration of the car is 1.067 m/ $s^{2}$ .

<u>Explanation:</u>

Acceleration is the measure of change in velocity experienced by any object for a given time period. So it is determined as the ratio of difference in the velocity to the time period.

As here the initial velocity is stated as zero, so u = 0. And the final velocity is termed as 50 km/h. Then we have to determine the acceleration in 13 s. So here we have to convert the units as common units. Thus, 50 km/h should be converted to m/s as $\frac{50*1000}{3600}=13.88 m/s$