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
kupik [55]
3 years ago
9

what is the work done by gravity when a 2.0kg ball falls to the floor from the height of 1.50m? Is it positive or negative? Expl

ain
Physics
1 answer:
Ratling [72]3 years ago
5 0
Positive because the ball is falling downwards.
Work done(Wd)= force x distance travelled in the direction of the force,
Wd=(2x9.8)x1.5
You might be interested in
5. Which of these affect the brightness of a bulb? Choose all that apply.* 6 po
schepotkina [342]

Answer:

The voltage of the battery

7 0
3 years ago
a car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s? for 15 s. At the end of this time,
Firlakuza [10]

V = u + at where u is initial velocity (15 m/s), a is acceleration (2m/s^2) and t is time (15 seconds)

V = 15 + 2 X 15

V = 45 m/s

6 0
3 years ago
A good train took 7 hours to complete its journey. For the first 3 hours, it travelled an average speed of 186km/h. What was the
Sliva [168]
I really hope this helps

4 0
3 years ago
:3333333333333333333333
elixir [45]

Answer:

Cannot see all the answer choices but, when pressure goes up, volume goes down. So your best bet is to choose the graph that has a downward slant.

Explanation:

3 0
2 years ago
Lucas left a metal bowl and a wooden bowl outside overnight. The next morning, he picked up the bowls to bring them inside. He n
kipiarov [429]

Answer: C. Metal transfers heat away from the skin by conduction, creating the sensation of coolness.

Explanation: The skin releases heat into the metal bowl since there is a difference in temperature between the two objects. So heat is taken away from the hand abd transfers into the metal bowl by conduction creating a cooler sensation.

8 0
3 years ago
Other questions:
  • When resting, a person has a metabolic rate of about 3.0 105 joules per hour. The person is submerged neck-deep into a tub conta
    13·1 answer
  • Unexpected orbital velocities of stars around the centers of galaxies led astronomers to predict the existence of dark _____.
    7·2 answers
  • 1) How is chemical energy<br> transformed into potential<br> energy?
    9·1 answer
  • HELP ME WITH THIS ONE PLEASE!!!!
    13·1 answer
  • Technician A says that hill assist and hill descent controls are added features to some electronic stability control systems. Te
    9·1 answer
  • A 1500 kg car moving with a speed of 20 m/s collides with a utility pole and is brought to rest in 0.30 s. Find the magnitude of
    11·1 answer
  • The force of gravity acting on an object is the object's ______. A. acceleration B. mass C. weight D. matter
    13·2 answers
  • If you lift a 3.2kg punkin to a height of 0.80 m, how much work do you do to lift the pumpkin?
    7·1 answer
  • Identify the vibrating media in three different types of musical instruments
    15·1 answer
  • Pls help me, tomorrow is the deadline of my assignment ​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!