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3 years ago

If John has 8 apples and his train is 7 minutes early. Calculate the mass of sun at 12:12 pm

Physics

1 answer:

tia_tia [17]3 years ago

4 0

The mass of the sun is proportional to the velocity of the motorcycle squared times the amount of birds in the sky.

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A train travels due south at 20 m/s. It reverses its direction and travels due north at 20 m/s. What is the change in velocity o

luda_lava [24]

Answer:

40 m/s due north

Explanation:

Consider that the south direction a negative Y axis and north direction as + Y axis

v1 = 20 m/s South = 20 (-j) m/s

v2 = 20 m/s North = 20 j m/s

Change in velocity = v2 - v1 = 20 j - 20 (-j) = 40 j m/s

So, change in velocity is 40 m/s due north.

5 0

3 years ago

HELP PLS RIGHT ANSWER GETS BRAINLIEST!!!!

mr Goodwill [35]

Answer:

♧ Write the correct abbreviation for each metric unit.

♧ Try these conversions, using the ladder method.

2 g
104000 m
4.8 m
5600 g
0.8 cm
5000 mL
0.198 kg
0.075 L
0.5 m
560 cm
160 mm
2.5 km
65000 mg
63 mm
0.12 g

♧ Compare using <, >, or =.

16. <

17. >

18. =

19. =

20. <

21. >

8 0

3 years ago

The acceleration due to gravity on earth is 9.8m/s2. What is the weight of a 75 kg person on earth?

MissTica

Weight= 9.8*75=735N
OptionD

7 0

3 years ago

Compare and contrast area and volume

katovenus [111]

Area is a region bounded by a CLOSED path, curved path or path with line segments. Area is usually a two dimensional physical quantity, a designated part on a plane. An example the surface of a table, face of a wall or a ceiling. It can also be a surface in 3-dimensions. Its units are meter² or centimeter² or feet² etc. A large agricultural field is a good example of an area. Normally and ideally no object can reside or exist with in an area. An object requires a volume. It is a collection of all points enclosed or bounded by the boundary or closed path. It does not have any thickness.

Volume is a 3-dimensional quantity. A physical body occupies space with its material components. It is the amount of space occupied, that is its volume. Any existing body occupying some space has a mass and volume. A mass having a volume, has surface area and thickness, a height perpendicular to its surface at each point on the surface.
It is expressed as meter³, feet³ etc.
Volume is a product of surface area (cross-section) and length - for example for a wire or rod.

6 0

3 years ago

An object’s speed is the distance it travels _____ the amount of time it takes.

steposvetlana [31]

An objects speed is the distance it travles DIVIDED by the amount of time it takes

6 0

4 years ago

Read 2 more answers