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frozen [14]
3 years ago
12

I WILL GIVE BRAINLIEST!!!

Physics
1 answer:
vladimir2022 [97]3 years ago
4 0

Answer:

Directly proportional: as one amount increases another amount increases at the ... The "constant of proportionality" is the value that relates the two amounts ... Example: y is directly proportional to x, and when x=3 then y=15. ... Speed and travel time are Inversely Proportional because the faster we go the shorter the time.

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Which involves more work in the scientific sense: moving the boxes and the furniture down from the second floor or up to the fif
Advocard [28]

Answer:

moving the boxes and the furniture up to the fifth floor.

Explanation:

The work done when moving an object up or down is equal to its change of gravitational potential energy:

W=mg \Delta h

where

m is the mass of the object

g is the gravitational acceleration

\Delta h is the change in height of the object

We have two opposite situations:

1) when an object is moved upward, \Delta h is positive, so the work done W is positive as well: this means that we need to do work in order to move the object, because we have to "win" the effect of gravity, which pulls the object downward

2) when an object is moved downward, \Delta h is negative, so the work done W is negative as well: this means that we do not need to do work on the object, because it is already done by gravity, which pulls the object downward.

Therefore, more work is done when we are moving the boxes and the furniture up to the fifth floor.

8 0
3 years ago
Describe why we cannot see details on the surface of Mars.​
bearhunter [10]

Answer: atmosphere

Explanation:

We cannot see the surface of Mars because of its thick atmosphere and of the iron dust that kicks up

4 0
3 years ago
Read 2 more answers
Match the glacier feature with its description.
scZoUnD [109]

Answer:

kettles: holes left by glaciers.

cirques: three-sided valleys

erratics: large, out-of-place rocks bouldersleft by glaciers.

drumlins: egg-shaped hills

Explanation: APEX

5 0
3 years ago
Read 2 more answers
The speed of a car increases uniformly from 6 m/s to 42 m/s in 9 second calculate the acceleration of the car​
djyliett [7]

The acceleration of the car​ which changes the speed uniformly is 4 m/s²

<h3>What is acceleration?</h3>

Acceleration can be defined as the rate change of velocity with time.

acceleration a = (Δv) / (Δt)

Given is the initial velocity 6m/s and final velocity 42m/s, the time take fir this change in speed is 9s.

Substitute the values, we have

a = (42-6)/9

a = 36/9

a =4 m/s²

Thus, the acceleration is 4 m/s²

Learn more about acceleration.

brainly.com/question/12550364

#SPJ1

5 0
2 years ago
Charges q, q, and – q are placed on the x-axis at x = 0, x = 4 m, and x = 6 m, respectively. At which of the following points do
MrRissso [65]

Answer:

can you show a graph but if not i believe the answer is x=6m

Explanation:

7 0
3 years ago
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