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Korvikt [17]
3 years ago
14

Which one of the following weight management plans is the most effective

Physics
2 answers:
Sever21 [200]3 years ago
8 0

One that can be followed over a course of a lifetime.

I just had this question on a test on Penn Foster

ioda3 years ago
7 0
Which of the following?
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Use the definition of scalar product, a with arrow · b with arrow = ab cos θ, and the fact that a with arrow · b with arrow = ax
Zolol [24]

Answer:

5+5=10

4+6=10

angle between is 45

3 0
3 years ago
An ideal spring obeys hooke's law: f = −bikx. a mass of m = 0.3 kg hung vertically from this spring stretches the spring 0.13 m.
Anarel [89]
The force = 0.3 * 9.8 = 2.94
x = 0.13

k = 2.94/0.13
k = 22.6 N/m
5 0
2 years ago
NEW QUESTION!!!!!!!!!
algol13

Answer:

D.

Explanation:

7 0
2 years ago
At what angle should you launch a projectile from the ground so that it has the
olga_2 [115]
I'm guessing 45 degrees
3 0
3 years ago
A bullet leaves a rifle with a muzzle velocity of 521 m/s. While accelerating through the barrel of the rifle, the bullet moves
pishuonlain [190]

Answer:

<h3>A. 1.62×10⁵m/s²</h3>

Explanation:

Given

velocity of the bullet = 521m/s

distance = 0.840m

required

acceleration of the bullet a

Using the equation of motion:

v² = u²+2aS where:

v is the final velocity

u is the initial velocity

a is the acceleration

S is the distance

Substitute the given parameters into the equation to get a:

521² = 0²+2a(0.840)

271,441 = 0+1.68a

271,441 = 1.68a

a = 271,441/1.68

a = 161,572.02

a = 1.62×10⁵m/s²

<em>Hence the acceleration of the bullet is 1.62×10⁵m/s²</em>

7 0
3 years ago
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