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3 years ago

Haley's swim team hosted a home meet and needed volunteers. How did she reveal to her coach that she is not a team player?

Physics

2 answers:

Mrrafil [7]3 years ago

6 0

C: Left Meet after her events were over

vladimir2022 [97]3 years ago

3 0

It is C, Left the Meet after her events were over

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a baby carriage is sitting at the top of a hill that is 21m high. The carriage with the baby weighs 12kg. The carriage has _____

Ket [755]

Height=h=21m
Mass=m=12kg

$\\ \rm\longmapsto P.E=mgh$

$\\ \rm\longmapsto P.E=12(10)(21)$

$\\ \rm\longmapsto P.E=120(21)$

$\\ \rm\longmapsto P.E=2520J$

8 0

3 years ago

Choose the correct statement regarding projectile motion in the absence of air resistance. Assume the object is at sea level mov

pishuonlain [190]

Answer:

Explanation:

The magnitude of the acceleration in the x direction is always zero: TRUE.

At the apex, in the y direction the velocity is zero and the accelration is positive. TRUE.

At the apex, in the x direction, the velocity is zero and the acceleration is zero. FALSE. The accelration is zero, but the velocity is the same it had when it was shot.

The magnitude of the velocity in the y direction is always constant. FALSE, it's subject to gravity and it's velocity varies as $v=v_0 - 9.81ms^{-2} t$

At the apex, in the Y direction, the velocity is negative and the acceleration is zero. FALSE. Velocity is zero, Acceleration is $9.81 ms^{-2}$ , towards the negative y axis

7 0

3 years ago

There are four stages in an economic recovery. In which order do these stages occur

Klio2033 [76]

The answer is 2,1,3,2

1. increased production 2. rising demand (occurs twice) 3. increased hiring

hope this helps :)

7 0

4 years ago

Weight is measured in: grams, kilograms, metric tons, or pounds

sergejj [24]

'Gram', 'kilogram', and 'metric ton' are units of mass, not weight.

'Pound' can be either a unit of mass or of force. Most people
use it most of the time to mean weight.

8 0

3 years ago

A machine has a mechanical advantage of 5. if 300 newtons of input force is used to produce 3,000 newton meters of work what is

Arte-miy333 [17]

F(in) x d(in)= F(out)x d(out)
A machine has a mechanical advantage of 5.
F(out )= 5xF(in)300 newtons

F(in) = 300 N
F(out)= 5xF(in) = 5x300 N
= 1500 N

Work in = Work out = 3000 N x m3000
N x m = F_in x d_ind_in = 3000 Nxm / F_in = 3000 N x m / 300 N = 10 m3000 Nxm = F_out x d_out d_out = 3000 Nx m / F_out = 3000 N x m / 1500 N = 2 m

8 0

4 years ago