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4 years ago

What kind of force will move an object from its rest resting ? A. inertial B. balanced C. unbalanced D. along a straight line

Physics

1 answer:

ss7ja [257]4 years ago

3 0

C. Unbalanced. You need an unbalanced force to cause an object to move, stated by Newton's 2nd law of motion

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How can the rate of the reaction be increased?

RSB [31]

The rate of a reaction increases if the temperature is increased. The concentration of a dissolved reactant is increased. The pressure of a reacting gas is increased.

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3 years ago

Read 2 more answers

Calculate the acceleration of a bus full speed changes from 6 miles to 12 miles over a period of three seconds

Jet001 [13]

Answer:

0.90m/s²

Explanation:

Given parameters:

Initial speed = 6miles/hr

Final speed = 12miles/hr

Time taken = 3 seconds

Unknown:

Acceleration = ?

Solution:

Acceleration is the rate of change of velocity with time. It is mathematically given as:

Acceleration = $\frac{Final speed - Initial speed}{Time}$

We need to convert miles/hr to meters/seconds

Initial speed = 6 x $\frac{miles }{hour}$ x $\frac{1hr}{3600s}$ x $\frac{1609.34m}{1mile}$

= 2.68m/s

Final speed = 12 x $\frac{1609.34}{3600}$ = 5.37m/s

Acceleration = $\frac{5.37 - 2.68}{3}$ = 0.90m/s²

4 0

3 years ago

HURRY ! THE BEST I WILL GIVE THE BRAINLIEST

erik [133]

The speed of both cars is the same ... 80 km per hour.

But their velocities are different, because DIRECTION is part of velocity, and their directions are different.

6 0

3 years ago

Why don't the two forces in Newton's third law cancel each other? They act in the same direction. They are different kinds of fo

pogonyaev

Answer:They act on different bodies

Explanation:

Newton's third law of motion states that for every action there is equal and opposite reaction i.e. action and reaction. Though action and reaction are equal they act in different bodies that is why they do not cancel out each other.

For example, a block of mass m placed over the table exerts a force of mg to the table while the table applies a Normal reaction of equal magnitude as of mg to the block of mass m.

5 0

3 years ago

an object is sliding down in clean plane the velocity change at a constant rate from 10 cm to 15 CM in 2 second what is it accel

AlekseyPX

Initial velocity=10m/s=u

Final velocity=v=15m/s

Time=t=2s

$\boxed{\sf Acceleration=\dfrac{v-u}{t}}$