4 years ago

I need help please help

1 answer:

5 0

The magnitude is greater since if the fish can swim against the post it has a greater magnitude. to have a greater magnitude is to have a stronger one pushing back.

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When the velocity of a moving object stays the same, it has a what speed?

Vera_Pavlovna [14]

If velocity is constant, then the object is moving
at constant speed in a straight line.

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3 years ago

A man with a mass of 60 kg rides a bike with a mass of 13 kg. What is the force needed to accelerate the bike at 0.90 m/s2?

Scrat [10]

The total mass of the things on the road is 60 + 13, which is 73kg.

mass • acceleration = F

73 x 0.9m/s^2 = 65.7N

F = 65.7 N

7 0

2 years ago

what does 1N equal? It happens to be one of the questions on my "Newton's Laws of Motion Exercises" paper.

san4es73 [151]

1 Newton is equal to the amount of force required to accelerate an object at a rate of 1 metre per second, every second. One newton is the force needed to accelerate one kilogram of mass at the rate of one metre per second squared in direction of the applied force.

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4 years ago

Starting from rest and moving in a straight line, a cheetah

UNO [17]

The average acceleration of the cheetah is 7.75 m/s²

The given parameters;

velocity of the cheetah, v = 31 m/s

time of motion, t = 4 seconds

The average acceleration of the cheetah is calculated as follows;

$Average \ acceleration = \frac{\Delta velocity}{\Delta time } \\\\Average \ acceleration = \frac{v-u}{t}$

where;

v is the final velocity

u is the initial velocity

t is the time of motion

Assuming the cheetah started from rest, the initial velocity, u = 0

The average acceleration is calculated as follows;

$Average \ acceleration = \frac{v-u}{t} = \frac{31-0}{4} = 7.75 \ m/s^2$

Thus, the average acceleration of the cheetah is 7.75 m/s²

Learn more here: brainly.com/question/17280180

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3 years ago

Different structural forms of the same element are called

julia-pushkina [17]

Answer:

allotropes

Explanation:

4 0

4 years ago