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3 years ago

Help plss .. Two bicyclists are accelerating forward in a straight line, and Biker 1 has less

Physics

1 answer:

castortr0y [4]3 years ago

4 0

Explanation:

Remember Newton's Second Law.

$F=ma$

If the force acting on both bikers is the same, we can look at the relationship between acceleration and mass.

If Biker 1 has a mass of 10kg and Biker 2 has a mass of 20kg, and both are being acted upon by a force of 100 N, let's see what that looks like. $100 = 10*a_1 \rightarrow a_1 = 100/10 = 10$

$100 = 20 *a_2 \rightarrow a_2 = 100/20 = 5$

So, given the same force, an object with GREATER mass will have less acceleration.

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Is a body which is moving in a negative direction but has a positive acceleration speeding up or slowing down?

melamori03 [73]

Answer:

An object with negative acceleration could be speeding up, and an object with positive acceleration could be slowing down.

Explanation:

hope this helps

have a great day/night

7 0

3 years ago

A circle has a radius of 10 inches. Find the approximate length of the arc intersected by a central angle of mc001-1. Jpg 6. 67

Andrei [34K]

The approximate length of the arc intersected by the central angle is 20.94 inches.

The given parameters:

Radius of the circle, r = 10 inches
Central angle, $\theta = \frac{2\pi }{3} \ rad$

The approximate length of the arc intersected by the central angle is calculated as follows;

S = rθ

where;

S is the length of the arc

Substitute the given parameters and solve for the length of the arc

$S = 10 \ in \times \frac{2\pi }{3} \\\\S = 20.94 \ inches$

Thus, the approximate length of the arc intersected by the central angle is 20.94 inches.

Your question is not complete, find the complete question below:

A circle has a radius of 10 inches. Find the approximate length of the arc intersected by a central angle of $\frac{2\pi}{3}$ .

Learn more about length of arc here: brainly.com/question/2005046

5 0

3 years ago

A block of mass of 10kg is being pushed on a tabletop downwards by a force of 200N. There is no acceleration in the problem. Cal

lord [1]

F = M*A

200N*10KG is 2000 newtons

so 2000 newton's is the normal force that is being exerted on the block

7 0

3 years ago

3. A 3.0 g bullet traveling at a speed of 400 m/s enters a tree and exits the other side with a speed of 200 m/s. Where did the

iragen [17]

Answer:I had two questions: 1) Shouldnt the equation be : Change of internal energy= Change in Ke or KEi +Ui=KEf+Uf .. I cant seem to understand how the change in KE+ Change in Internal Energy equals 0 2) Also, it has a note which says that if the bullet alone was chosen as a system, then work would be done on it and the heat transfer woudl occur. How would one formulate an equation for this?

Explanation:

4 0

3 years ago

When resistors are connecting in a series ,does the position of ammeter make any difference ?

Dimas [21]

You didn't say what you plan to do with the ammeter, but that's ok. Even if you insert it into the series circuit, it doesn't matter where, because the current is the same everywhere in a series circuit.

4 0

4 years ago