All categories

3 years ago

PLEASE ANSWER ASAP

Physics

1 answer:

kirill [66]3 years ago

4 0

Answer:

55.44.4 hjejjejjejej be

Explanation:

hehhehebebebbebeb

You might be interested in

Given a die, would it be more likely to get a single 6 in six rolls, at least two 6s in twelve rolls, or at least one-hundred 6s

vichka [17]

Answer:

Explanation:

In first case we are interested in one time 6 in six rolls

Thus probability = number of chances required/Total chances

= 1/6

Similarly in the second case probability = 2/12 = 1/6

In the same way in last case probability = 100/600 = 1/6

The probability is the same . Thus all the cases has equal chances

4 0

3 years ago

Which of the following could be a step in a plan designed to mitigate the negative impacts of a natural hazard? I. design new te

erastova [34]

Designing warning and evacuation systems could be a step in a plan designed to mitigate the negative impacts of a natural hazard.

7 0

3 years ago

Read 2 more answers

You are driving your car along a country road at a speed of 27.0 m/s. as you come over the crest of a hill, you notice a farm tr

Bezzdna [24]

speed of the car = 27 m/s

speed of truck ahead = 10 m/s

relative speed of car with respect to truck

$v_r = 27 - 10 = 17 m/s$

relative deceleration of car

$a_r = -7 m/s^2$

now the distance before they stop with respect to each other is given by

$v_f^2 - v_i^2 = 2 a d$

$0 - 17^2 = 2 *(-7)*d$

$d = 20.6 m$

so it will come at the same speed of truck after 20.6 m distance and hence it will not hit the truck as the distance of the truck is 25 m from car

Part b)

Distance traveled by car before it stops is given by

$v_f^2 - v_i^2 = 2 a s$

$0^2 - 27^2 = 2 * (-7)* s$

$s = 52.1 m$

so it will stop after it will cover total 52.1 m distance

Part c)

time taken by the car to stop

$v_f - v_i = at$

$0 - 27 = (-7) * t$

$t = 3.86 s$

now the distance covered by truck in same time

$d = 3.86 * 10 = 38.6 m$

now after the car will stop its distance from the truck is

$D = 25 + 38.6 - 52.1 = 11.5 m$

<em>so the distance between them is 11.5 m</em>

6 0

3 years ago

a 15 kg television sits on a shelf at a height of 0.3 m how much graviitional potential energy is added to the television when i

Readme [11.4K]

15x 9.8 x .3 = 44.1
15 x 9.8 x 1 = 147
147 - 44.1 = 102.9J
102.9 J

5 0

3 years ago

A car is traveling in a race. The car went from the initial velocity of 35 m/s to the final velocity of 65 m/s in 5 seconds. Wha

olga55 [171]

Answer:

6m/s²

Explanation:

Given parameters:

Initial velocity = 35m/s

Final velocity = 65m/s

Time taken = 5s

Unknown:

Acceleration = ?

Solution:

Acceleration is the rate of change of velocity with time taken;

Acceleration = $\frac{Final velocity - Initial velocity }{time}$

So;

Acceleration = $\frac{65 - 35}{5}$ = 6m/s²

3 0

2 years ago