2 years ago

What do we call the distance between any two successive crests of a wave

Physics

1 answer:

icang [17]2 years ago

8 0

That is actually called the Wave Length.

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What does kinetic energy do when it go up a hill?what do potential energy do when it does up a hill?

Artist 52 [7]

Answer:

Kinetic energy decreases as you go up hill

Potential energy increases as you go up hill

6 0

2 years ago

The mass of block B is twice the mass of block A, while the mass of the pulley is equal to the mass of block A. The blocks are l

marshall27 [118]

Answer:

C)the right cord pulls on the pulley with greater force than the left cord

Explanation:

As we can see the figure that B is connected to the right string while A is connected to the left string

Now force equation for B as it will move downwards is given as

$(2m)g - T_B = (2m)a$

similarly for block A which will move upwards we can write the equation as

$T_A - mg = ma$

now we know that pulley is also rotating so the tangential acceleration of the rope at the contact point with pulley must be same as that of acceleration of the blocks

so here pulley will rotate clockwise direction

So tension in the right string must be more than the left string

So correct answer will be

C)the right cord pulls on the pulley with greater force than the left cord

3 0

2 years ago

A motorcycle accelerated from 10 metre per second to 30 metre per second in 6 seconds. How far did it travel in this time ?

Ber [7]

U=10 m/s
v=30 m/s
t=6 sec

therefore, a=(v-u)/t
=(30-10)/6
=(10/3) ms^-2

now, displacement=ut+0.5*a*t^2
=60+ 0.5*(10/3)*36
=120 m
And you can solve it in another way:

v^2=u^2+2as
or, s=(v^2-u^2)/2a
=(900-100)/6.6666666.......
=120 m

7 0

2 years ago

Can a machine like a lever, produce a greater force than what you put into it? Can it increase the energy that you put into it?

morpeh [17]

Answer:

yes

Explanation:

the force is multiplied by the levers length of the handle

7 0

2 years ago

Read 2 more answers

Two cars are traveling on a desert road. After 5.0 seconds they are side by side at the next telephone pole.The distance between

stira [4]

The question looks incomplete, but according to the information given above seem like they have identical journeys.
a. the displacement of car A - 65.5 m
b. the displacement of car B - 65.5 m
c. average velociry of A $65.5 / 5 = 13.1 m/s$
d. the average velocity of car B has the same.

8 0

2 years ago