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egoroff_w [7]
3 years ago
12

A sled is moving down a steep hill. The mass of the sled is 50 kg and the net force acting on it is 20 N. What must be done to f

ind the acceleration of the sled? Which ones apply to this scenario.
1. The force of gravity must be broken into its parallel and perpendicular components.

2. Acceleration can be found by dividing the net force by mass.

3. Acceleration can be found by multiplying the net force by mass.

4. The magnitude of the force components must be multiplied by gravity.

5. Trigonometry can be used to solve for the magnitude of the force components.

6. Net force must be found before acceleration can be found.
Physics
2 answers:
yKpoI14uk [10]3 years ago
5 0
Number 4 is the right answer
Rashid [163]3 years ago
4 0
I believe the answer is #4. u can always ask google if u believe that's the wrong answer :)
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irina [24]

Answer:

in everyday use and in kinematic the speed of an object is the magnitude of the change of its position it is thus a scalar quantity

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You and a friend are studying late at night. There are three 110 W light bulbs and a radio with an internal resistance of 56.0 Ω
Sliva [168]

Answer:

The total electrical power we are using is: 1316 W.

Explanation:

Using the ohm´s law V=I*R and the formula for calculate the electrical power, we can find the total electrical power that we are using. First we need to find each electrical power that is using every single component, so the radio power is:I=\frac{V}{R}=\frac{110 (v)}{56(ohms)}=1.96(A), so the radio power is: P=I*V=1.96(A)*110(v)=216(W), then we find the pop-corn machine power as: P=I*V=7(A)*110(v)=770(W) and finally there are three light bulbs of 110(W) so: P=3*110(W)=330(W) and the total electrical power is the adding up every single power so that: P=330(W)+770(W)+216(W)=1316(W).

8 0
3 years ago
Why do objects closer to you move faster than the objects far away when driving in a car?
ella [17]
It is kind of an optical illusion it is called <span>optical flow.</span>
7 0
3 years ago
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Nina [5.8K]

Answer:

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Explanation:

7 0
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Read 2 more answers
A graph of x vs. t2 is linear, and intercepts the vertical axis at 12 m and the horizontal axis at 4 s2. What is the function?
gogolik [260]

Answer:

x = -3t² + 12

Explanation:

x vs t² is a line.

x = at² + b

The y intercept is 12.

x = at² + 12

At t² = 4s², x = 0.

0 = a(4) + 12

a = -3

Therefore, the function is:

x = -3t² + 12

4 0
3 years ago
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