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Dmitriy789 [7]
3 years ago
13

If a car goes around a corner at a constant 20 miles/hour, does its velocity change?

Physics
2 answers:
dlinn [17]3 years ago
4 0
Yup because velocity is a vector quantity and its direction is changing constantly thus velocity is also changing
UNO [17]3 years ago
3 0

Answer:

yes

Explanation:

velocity changes either in magnitude (an increase or decrease in speed) or in direction, or both

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6/10
g100num [7]

Answer:pounds

Explanation:

7 0
3 years ago
HELP ASAP PLZ
attashe74 [19]

Answer:

Increases

Explanation:

Because acceleration goes higher

5 0
3 years ago
A student says that a speed of 50 m/s is faster than a speed of 140 km/h because the number is bigger. What would you say to the
ladessa [460]

The units are not consistent - 1 m/s is not the same as 1 km/h.

First thing to do would be to convert from one unit of speed to the other, say km/h to m/s. There are 1000 meters (m) for every kilometer (km) and 3600 seconds (s) for every hour (h), so

1\,\dfrac{\mathrm{km}}{\mathrm h}\cdot\dfrac{10^3\,\mathrm m}{\mathrm{km}}\cdot\dfrac{\mathrm h}{3600\,\mathrm s}\approx0.278\,\dfrac{\mathrm m}{\mathrm s}

So in fact 1 km/h is about 4 times slower than 1 m/s.

4 0
3 years ago
Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a ligh
jeyben [28]

Answer:

Well, it's because the air offers much greater resistance to the falling motion of the feather than it does to the brick. ... Galileo discovered that objects that are more dense, or have more mass, fall at a faster rate than less dense objects, due to this air resistance. A feather and brick dropped together.

Explanation:

6 0
3 years ago
Two very long parallel wires are a distance d apart and carry equal currents in opposite directions. The locations where the net
sergeinik [125]

Answer:

Its not zero anywhere

Explanation:

The magnetic field B at a distance r due to a long conductor carrying current I is given as

B= μol/2pi r

​ so the net magnetic field due to the current is not zero anywhere

​

6 0
3 years ago
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