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
Ksenya-84 [330]
2 years ago
15

When throwing a ball upwards, the velocity is positive, and the acceleration is negative. True of False?

Physics
1 answer:
Setler79 [48]2 years ago
3 0

Answer:

The velocity & acceleration will be taken as negative when a ball is thrown upward because work is done against the gravity.

Explanation:

You might be interested in
A 100N effort force is applied to a machine and lifts a 400N object. What is the MA of the machine?
ira [324]

Answer: dum dum

Explanat

7 0
2 years ago
From the top of a cliff, a person tosses a pebble straight downward with an initial velocity of -9.0 meters/second. After 0.50 s
Irina-Kira [14]
Y - yo = Vo*t - g * (t^2) / 2

Vo = - 9.0 m/s
t = 0.50 s

=> y - yo = -9.0 m/s * 0.5 s - 9.8 m/s^2 * (0.5s)^2 / 2 = - 4.5m - 1.225m = - 5.725 m.

Answer: option c) - 5.7
8 0
3 years ago
A 40kg kid riding their bike down the street at 5m/s reaches the edge of a hill and coast down to the bottom. If the hill was 10
Romashka [77]

Answer

vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv

Explanation:v

6 0
3 years ago
What occurs when light bends while passing from one medium to another?
Levart [38]

Answer:So the answer is B

Explanation: When the light rays either bend or change their direction while passing from one medium to another it is called refraction of light. The refraction of light takes place when light travels from air into glass, from glass into air, from air into water or from water into air.

7 0
2 years ago
What is velocity change divided by time change?
Luda [366]
Acceleration: is the change in velocity divided by the time it takes for the change to occur. . Acceleration is the change in verity divided by the time it takes to make the change, Acceleration has direction.
5 0
3 years ago
Other questions:
  • A refrigerator _ objects placed inside it.
    9·2 answers
  • Near the surface of Earth an electric field points radially downward and has a magnitude of approximately 100 N/C. What charge (
    8·1 answer
  • Physics question, please show work for brainliest :)
    15·2 answers
  • an experiment is set up to measure the effect of a gasoline additive on fuel consumption rate. what would be the control in this
    10·1 answer
  • Find the mass of a golfball that accelerates at 18m/s2 when 8.3 N force is applied to it
    6·1 answer
  • Help me with number 2 please
    15·1 answer
  • how does the graph of displacement versus time look for something moving at a constant positive velocity
    8·1 answer
  • The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance lose energy during a change of state
    7·2 answers
  • An unfortunate bug splatters against the windshield of a moving car. Compared to the force of the car on the bug, the force of t
    11·1 answer
  • Which of the following is a force or motion that
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!