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notsponge [240]
3 years ago
7

A stalled car is being pushed up a hill at constant velocity by three people. the net force on the car is

Physics
1 answer:
frosja888 [35]3 years ago
6 0
I think you need more information like the force of gravity and the force of the three people. Once you combine the two, however, you should get the net force.
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KIM [24]

Answer:

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Explanation:

7 0
3 years ago
Can anyone define thermostat and list electrical appliances that have a thermostat?
Tresset [83]
A thermostat is a switch that operates itself when the temperature
goes above or below a temperature that the user can set.

-- Before you go to bed, you set the thermostat for 65° .
If the temperature in the house goes below 65° during the night,
the thermostat turns on the furnace, and keeps it running until
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-- After breakfast, you set the thermostat for 75°.
If the temperature in the house goes above 75°, during the day, 
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-- On Sunday morning, you put the slow cooker on the kitchen counter,
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4 0
3 years ago
What type(s) of energy is/are contained in a roller coaster car after it has come to a complete stop at the station? A. kinetic
blondinia [14]

Answer:

I think it is just potential

Explanation:

If it’s right pls mark the brainliest

7 0
3 years ago
Some Physics questions! Please help!
lesantik [10]

1) 260 km/h

Let's use the following convention:

positive x-direction = east

positive y-direction = north

Here we have to find the north component of the velocity's airplane, which means we have to find its y-component.

We can use the formula:

v_y = v sin \theta

where

v = 750 km/h is the magnitude of the plane's velocity

\theta=20.0^{\circ} is the angle between the direction of the plane and the positive x-axis

Substituting,

v_y = (750)(sin 20)=256.5 km/h \sim 260 km/h

2) 24^{\circ} north of east

In order to find the direction of flight, we have to consider that the vector representing the displacement of the plane is the hypothenuse of a right triangle, of which the displacements along the east and north direction are the sides.

Therefore, we have

v_x = 220 km is the displacement towards east

v_y = 100 km is the displacement towards north

Therefore, the angle that gives the direction is given by

tan \theta = \frac{v_y}{v_x}

And substituting,

\theta =tan^{-1}( \frac{100}{200})=24^{\circ}

and this angle is measured north of east.

7 0
4 years ago
Something that accurately describe atoms
shepuryov [24]
For basic it would be a proton and a neutron to create a nucleus and outside are electrons surrounding it. 
4 0
3 years ago
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