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3 years ago

Are you for or against using nuclear energy?

Physics

2 answers:

Romashka-Z-Leto [24]3 years ago

8 0

For. Nuclear energy is healthy for the environment, uses little resources, and is quick.

Alecsey [184]3 years ago

4 0

Answer:

Against but it really depends on the situation

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In an experiment what are all the parts of an experiment that remain unchanged are called<br>

stira [4]

The answer for this question is Control Variable because it doesn’t change throughout the experiment.

3 0

4 years ago

A vehicle is moving with 20m/s towards the east and another is moving 15m/s towards the west

just olya [345]

Answer:

5 m/s

Explanation:

Given that,

A vehicle is moving with 20m/s towards the east and another is moving 15m/s towards the west.

It is assumed to find the resultant velocity of the vehicle. Let east side is positive and west is negative. So,

$v=v_1+v_2\\\\=20+(-15)\\\\=5\ m/s$

Hence, the resultant velocity of the vehicle is equal to 5 m/s.

6 0

3 years ago

Alan slides across home plate during a baseball game. If he has a mass of 61

andrew11 [14]

Answer:

D. 371 N

Explanation:

Friction force equals normal force times the coefficient of friction:

F = Nμ

Since the ground is level, normal force equals weight:

N = mg

Therefore:

F = mgμ

F = (61 kg) (9.8 m/s²) (0.62)

F = 371 N

7 0

3 years ago

Read 2 more answers

If an object has a mass of 14 kg, what is it’s weight

Alex_Xolod [135]

Answer:

Weight = 137.2 kg.m/ $s^{2}$

Explanation:

Given

mass of an object, m = 14 kg

Weight (W) is given by the formula:

W = mg , where m is mass of the object and g is acceleration due to gravity and the value is 9.8 m/ $s^{2}$

Hence W = 14 kg x 9.8 m/ $s^{2}$

= 137.2 kg.m/ $s^{2}$

3 0

3 years ago

28. Ken and Musa shared a cake such that Ken got twice the size

ratelena [41]

Answer:

$Musa = \frac{1}{3}$

$Ken = \frac{2}{3}$

Explanation:

Given

$Ken = 2 * Musa$ --- Ken's share

Required

The fraction each got

Since they both shared a cake, we have:

$Ken + Musa = 1$

Substitute: $Ken = 2 * Musa$

$2 * Musa+ Musa = 1$

Factorize

$Musa(2+ 1)= 1$

$Musa(3)= 1$

Divide both sides by 3

$Musa = \frac{1}{3}$

Recall that: $Ken = 2 * Musa$

$Ken = 2 * \frac{1}{3}$

$Ken = \frac{2}{3}$

3 0

3 years ago