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3 years ago

What should happen to the demand for speed (measured by the average speed on highways) once airbags are included on cars?

1 answer:

6 0

Airbags diminish the expenses related with driving quick by diminishing injuries caused by fast speed crashes, in this manner the demand for speed increases, raising the average speed. Subsequently, wellbeing gadgets, for example, airbags and required safety belts tend to expand the security of car drivers and travelers (in spite of the fact that not as much as though there were no increase in speed) yet diminish the security of pedestrians.

The deployment of airbag can reduce the range of injuries to a number of parts of the body.

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A car travels 48 km in 1.2 hours. What is the average speed of the car in km/hr

Alborosie

Answer:

average speed of car is 40 km/h

Explanation:

if car goes 48 km per 1.2 hours , the car goes 40 km per hour. so average speed of car is 40km/h

5 0

2 years ago

The joule (J) is a unit of energy. Recall that energy may be converted between many different forms such as mechanical energy, t

REY [17]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The workdone is $W = -177.275J$

Explanation:

From the question we are told that

The initial Volume is $Vi = 0.160 L$

The final volume is $V_f = 0.510L$

The external pressure is $P = 5.00 \ atm$

Generally the change in volume is

$\Delta V = V_f - V_i$

Substituting values we have

$\Delta V = 0.510 -0.160$

$= 0.350L$

Generally workdone is mathematically represented as

$W = -P \Delta V$

W is negative because the working is done on the environment by the system which is indicated by volume increase

Substituting values

$W = - 5* 0.350$

$= -1.75 \ L \ \cdot atm$

Now $1 \ L \cdot atm = 101.3J$

Therefore $W = -1.75* 101.3$

$= -177.275J$

7 0

2 years ago

Read 2 more answers

A basic statement established by experiment or observation.

Tems11 [23]

Answer:

c.Law

Explanation:

i think you must learn and write however good luck

4 0

3 years ago

Read 2 more answers

What is the work behind these answers?

Sati [7]

I think you need to solve them

7 0

3 years ago

After clearing the bar on a high jump, you land softly on a giant mattress. landing on a mattress is more comfortable than landi

madam [21]

Answer:

The right approach is Option b (the force..................exert on you).

Explanation:

Even before you fall on something like a soft object, users eventually slow to a halt. You are still giving away all the downward momentum, but progressively although with small powers, you are doing so.
Although you can get injured by massive powers, this gradual displacement is a positive thing. And that is why you have a mattress you would like to settle on.

The other options given are not connected to the situation described. So, the solution here was the right one.

3 0

2 years ago