1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
marta [7]
3 years ago
14

A 30 N force toward the west is applied to an object. The object moves 50 m east during the time the force is applied. What is t

he change in kinetic energy of the object?
a) 1.0 J
b) 750 J
c) 1.7 J
d) -1500 J
Physics
1 answer:
katovenus [111]3 years ago
8 0

Answer:

D.<u>-1500Joules</u>

Explanation:

The change in kinetic energy of the object s equivalent to the workdone by the body in the west direction (negative x direction)

Workdone = Force * Distance

Given

Force = 30N

Distance moved by the object = 30m

Required

Kinetic energy

Kinetic energy = 30 * 50

Kinetic energy = 1500Joules

Since the body moves in the negative  direction, hence the kinetic energy will be <u>-1500Joules</u>

You might be interested in
An ideal gas is confined to a container with constant volume. The number of moles is constant. By what factor will the pressure
Andrews [41]

Answer:

1/3

Explanation:

Gay Lusaac's law states that "the pressure of a given mass of gas is directly proportional with the absolute temperature of the gas, provided that the volume is kept constant."

In formula, we say that

P/T = k

Where

P = pressure at different points

T = temperature at different points

k = constant of proportionality

From the stated formula, if we multiply the temperature by 3, we have

P/3T = k

P * 1/3T = k

And from this, we see the pressure will change by a value of 1/3

4 0
3 years ago
how does distance change when the amount of effort force is increasesd while the amount of work done remains the same?
nlexa [21]
Could you supply u with some answer choices please?
8 0
4 years ago
What’s the answer because I have no clue
Snezhnost [94]

Answer:

C. The number of protons.

Explanation:

All atoms of mercury will remain the same while different isotopes may have different number of neutrons.

For example, mercury has 80 protons, correlating with its atomic number. However, the number of protons, neutrons, and electrons could vary between each atom. If there are 80 protons, then there has to be 80 electrons. This means that the protons have to be the same in order to apply to all atoms of mercury

8 0
4 years ago
What date on the cosmic calendar did the milky way galaxy appear?
lord [1]
<span><span>Big Bang-    January 1
</span><span>Origin of Milky Way Galaxy-   May 1
</span><span>Origin of the solar system-    September 9
</span><span>Formation of the Earth-     September 14
</span><span>Origin of life on Earth<span>-  September 25</span></span></span>
5 0
3 years ago
Answer it answer it answer it
scoray [572]

Answer: I believe the answer is C. Higher Volume.

Explanation: I apologize if I am incorrect.

4 0
3 years ago
Other questions:
  • What are the two applications of electrostatic induction?
    8·1 answer
  • A fisherman has caught a very large, 5.0 kg fish from a dock that is 2.0 m above the water. He is using lightweight fishing line
    15·1 answer
  • An electron in a mercury atom changes from energy level b to a higher energy level when the
    13·1 answer
  • Philosophy is not considered science because it lacks:
    12·2 answers
  • I dont understand??????????????
    6·1 answer
  • Which of the following is NOT a popular home fitness equipment purchase? A. steam room B. treadmill C. free weights D. elliptica
    8·2 answers
  • PLSS HELP YEA 25 POINTSSSS<br><br> CAN HUMANS BE " DE-EVOLVING" EXPLAIN WHY OR WHY NOT
    14·2 answers
  • If the final ​velocity is 0. third equation of motion will be
    11·1 answer
  • A car moves in a straight line at a speed of 68.5 km/h. How far (in km) will the car move in 5.45 minutes at this speed?
    8·1 answer
  • An electromagnet is a coil of wire with a current running through it. this creates an electromagnetic field. an additional magne
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!