what happens when an object speeds up,slows down, or changes direction A) velocity B) time C) deceleration D) acceleration

2 answers:

7 0

What happens when an object speeds up, slows down, or changes direction?

When divided by Δt, (vf - vi) is used to determine which characteristic?
Acceleration

What happens when a penny is dropped from a height of 20 meters?
The anwer is The force of gravity causes it to accelerate.

What happens when an object speeds up, slows down, or changes direction?
Acceleration

Speed in a specific direction
The answer is velocity

A decrease in velocity over time

Deceleration

A car travelling at a constant 50 miles per hour turns left on the interstate. What is happening here?

the answer is Acceleration because speed is constant, but direction is changing.

When the final velocity is less than the initial velocity, this is

Speed

Whether calculating speed or acceleration, this data is required. The Answer Is Time

Those are the correct answers for the test i hope u passed well i know your gonna pass cause they are the correvt answers please make me brainly

HACTEHA [7]3 years ago

3 0

Whenever the motion of an object changes . . . speeding up, or slowing down,
or changing direction . . . that change is called "acceleration". Acceleration is produced by force on the object.If there is no force on the object, then there is no acceleration. That means that
its motion doesn't change. The object remains in constant, uniform motion .
moving with steady speed, in a straight line.

No force is necessary to keep an object moving, only to change its motion.

You might be interested in

C2H4(g) + H2(g) → C2H6(g) ΔH = –137.5 kJ; ΔS = –120.5 J/K Calculate ΔG at 25 °C and determine whether the reaction is spontaneou

Katen [24]

Answer:-ΔG=-101.5KJ

Explanation:We have to calculate ΔG for the reaction so using the formula given in the equation we can calculate the \Delta G for the reaction.

We need to convert the unit ofΔS in terms of KJ/Kelvin as its value is given in terms of J/Kelvin

Also we need to convert the temperature in Kelvin as it is given in degree celsius.

$\Delta H=-137.5\\ \Delta S=-120J/K\\ \Delta S=-0.120KJ/K\\ T=25^{.C}\\ T=273+25=298 K\\ \Delta G=?\\ \Delta G=\Delta H-T\Delta S\\\Delta G=-137.5KJ-(278\times -0.120)\\ \Delta G=-137.5+35.76\\\Delta G=-101.74\\\Delta G=Negative$

After calculating forΔG we found that the value ofΔG is negative and its value is -101.74KJ

For a reaction to be spontaneous the value of \Delta G \ must be negative .

As the ΔG for the given reaction is is negative so the reaction will be spontaneous in nature.

In this reaction since the entropy of reaction is positive and hence when we increase the temperature term then the overall term TΔS would become more positive and hence the value of ΔG would be less negative .

Hence the value of ΔG would become more positive with the increase in temperature.

So we found the value of ΔG to be -101.74KJ

4 0

4 years ago

Read 2 more answers

An object has a mass of 15.2 g and a volume of 8.9 mL. What is the density of the object?

Murljashka [212]

Answer:

recordando también que ** 1mL = 1cm ^ 3 **

(como ** 1 dm ^ 3 = 1 L **)

8 0

3 years ago