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Masteriza [31]
3 years ago
8

True or False!?

Physics
1 answer:
grin007 [14]3 years ago
8 0
Solution= The answer is true

You might be interested in
Relative to the ground, what is the gravitational potential energy of 68 kg
Kisachek [45]

Answer:

Explanation:

p.E=mgh

P.E=68*10*443

p.E=301240j

8 0
2 years ago
An object with high momentum ______.
Pepsi [2]
The answer should be (b)
7 0
4 years ago
in a situation to choose energy respurces between hydroelectric power and thermal power, what would be your choice? give reasons
DaniilM [7]

Answer:

Hydroelectric power

Explanation:

The Hydroelectric power is more green than the thermal power. It will not give out the smoke that thermal power will

6 0
3 years ago
A light beam is traveling through an unknown substance. When it exits that substance and enters into air, the angle of reflectio
bogdanovich [222]

Answer:

0.79

Explanation:

Using Snell's law, we have that:

n(1) * sin θ1 = n(2) * sinθ2

Where n(1) = refractive index of air = 1.0003

θ1 = angle of incidence

n(2) = refractive index of second substance

θ2 = angle of refraction

The angle of reflection through the unknown substance is the same as the angle of incidence of air. This means that θ1 = 32°

=> 1.0003 * sin32 = n(2) * sin42

n(2) = (1.0003 * sin32) / sin42

n(2) = 0.79

3 0
4 years ago
Read 2 more answers
Một sóng cơ học có tần số 50hz lan truyền dọc theo một sợi dây rất dài biết rằng sau 5 giây sóng truyền được 1 đoạn 25m dọc theo
Oliga [24]

Answer:

10 cm

Explanation:

Được

Tần số = 50 hertz

Khoảng cách đã đi = 25 m

Thời gian đi quãng đường 25 m = 5 giây

Tốc độ của sóng = 25/5 = 5 mét trên giây

Như chúng ta biết

Bước sóng = Vận tốc / tần số

Bước sóng = 5 mét trên giây / 50 trên giây

Bước sóng = 0,1 m = 10 cm

3 0
3 years ago
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