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Vlad [161]
3 years ago
10

PLZ HELP ME Which are not correct statements?

Physics
1 answer:
AURORKA [14]3 years ago
8 0
<span>A. Boyle's law only works when the pressure is constant.
</span><span>D. Charles's law relates volume and pressure.

Hope this helps!</span>
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A car is traveling at a steady 73 km/h in a 50 km/h zone. A police motorcycle takes off at the instant the car passes it, accele
iVinArrow [24]

Answer:

29 m

Explanation:

given,

speed of the car = 73 Km/hr

                           = 73 x 0.278 m/s  = 20.3 m/s

Time elapses before the motorcycle is moving as fast as the car

using equation of motion

v = u + at

initial speed = 0 m/s

20.3= 0 + 7 x t

t = 2.9 s

b) distance traveled by the car in that time

  d = s x t

  d = 20.3 x 2.9 = 58.87 m

 distance traveled by the police

s = ut + \dfrac{1}{2} a t^2

s = 0 + \dfrac{1}{2}\times 7\times 2.9^2

s = 29.435 m

distance car is ahead = 58.57 - 29.44 = 29.13

                                    = 29 m

3 0
3 years ago
A golfer strikes a 0.059-kg golf ball with a force of 290 N. If the ball moves with a velocity of 69 m/s,
Ymorist [56]

Answer:

0.014s

Explanation:

Given parameters:

mass of golf ball  = 0.059kg

force applied  = 290N

velocity = 69m/s

initial velocity  = 0m/s

Unknown:

Time of contact  = ?

Solution;

We know that momentum is the quantity of motion of body possess;

  Momentum  = mass x velocity

  Momentum  = 0.059 x 69  = 4.1kgm/s

Also; impulse is the effect of the force acting on a body;

  impulse  = force x time  = momentum

  So;

            Force x time  = momentum

                  Time  = \frac{momentum}{force }    = \frac{4.1}{290}    = 0.014s

 

 

4 0
3 years ago
Please help asap!!!!
Lady bird [3.3K]

Answer:

4 is the answer

Explanation:

hope this helps

7 0
3 years ago
How many fire extinguishers must be carried onboard power boats, with installed fuel tanks, between 26 and 40 feet in length?
irga5000 [103]

It is either Two B I or one B II

6 0
3 years ago
What units are given to the right of the equals sign
zhuklara [117]
The answer

2y + 14 = 17

The 17 is to the right of the = sign
It is also the answer
7 0
3 years ago
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