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weqwewe [10]
2 years ago
12

A ball rolls down an incline, starting from rest. if the total time it takes to reach the end of the incline is t, how much time

has elapsed when it is halfway down the incline?
Physics
1 answer:
kirill [66]2 years ago
6 0

A ball rolls down an inclined plane, starting from rest. if the total time it takes to reach the end of the inclined plane is t, how much time has elapsed when it is halfway down the incline 0.5t

An inclined plane is a straightforward device with a sloping surface that is used to lift heavy objects. When friction is taken into account, the force needed to move an object up an incline is less than the weight being raised. The needed force is closer to the real weight the higher the slope or incline.

The inclined plane is the most basic of all simple machines because nothing needs to move for it to function. In order to save effort, you have to move objects farther when using an inclined plane. A variety of techniques can be used to create an inclined plane. It can be as simple as a log leaning against a tree in the woods or a piece of wood placed on the edge of a stair.

To learn more about the inclined plane please visit
brainly.com/question/14983337
#SPJ4

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During an auto accident, the vehicle’s air bags deploy and slow down the passengers more gently than if they had hit the windshi
const2013 [10]

Answer:

0.381 m

Explanation:

Distance traveled S is found by

S = ut + \frac{1}{2}a{t^2}

Where S is distance traveled, u is initial velocity, t is time, a is acceleration

Since we acceleration a is given as 60g, where g is gravitational constant of 9.81 then a=60*9.81=588.6

The initial velocity u is zero hence ut=0

Substituting a with 588.6, t with 36 ms

\begin{array}{c}\\S = 0 + \frac{1}{2}\left( {588.6 {\rm{m/}}{{\rm{s}}^2}} \right){\left( {\left( {36 {\rm{ms}}} \right)\left( {\frac{{1 {\rm{s}}}}{{{{10}^3} {\rm{ms}}}}} \right)} \right)^2}\\\\ = 0.3814128
{\rm{m}}\\\end{array}  

S=0.381 m

4 0
4 years ago
Slushy snow in standing water can increase<br> hydroplaning risk.
Nesterboy [21]

Answer:

yes

Explanation:

Slushy snow can increase hydroplaning risk

my source: https://quizlet.com/29357993/chapter-12-practice-test-flash-cards/

6 0
4 years ago
Giving brainliest to the correct answers
Llana [10]

Answer:

we cant see the digram bro

Explanation:

6 0
3 years ago
1. Two boxes stacked on top of one another weigh 100 kg total. They apply
Hitman42 [59]

Answer:

150

Explanation:

7 0
4 years ago
A golf ball (mass 0.045 kg) is hit with a club from a tee. The plot shows the force on the ball as a function of time in millise
almond37 [142]

Answer:

16.3 m/s

Explanation:

We are given that

Mass of golf ball=m=0.045 kg

We have to find the speed right after the hit.

b_1=(16-1)\times 10^{-3}=15\times 10^{-3} s

b_2=(12-6)\times 10^{-3}=6\times 10^{-3} s

Force,F=70 N

Change in momentum=Area of trapezium

Area of trapezium,A=\frac{1}{2}(b_1+b_2) h

Using the formula

m(v-u)=\frac{1}{2}(15+6)\times 10^{-3}\times 70

0.045(v-u)=\frac{1}{2}(21)\times 10^{-3}\times 70

v-u=\frac{1}{2}\times \frac{1}{0.045}\times 21\times 10^{-3}\times 70

v-u=16.3

Initial velocity of golf ball=u=0

v-0=16.3

v=16.3 m/s

5 0
3 years ago
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