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
vovangra [49]
3 years ago
15

If the same net force is applied to a 7 kg object and a 21 kg object, then the 21 kg object accelerates three times faster than

the 7 kg object. the 7 kg object accelerates three times faster than the 21 kg object. both objects accelerate at the same rate because the force is the same neither object will accelerate because there is a net force on the objects. What is the acceleration due to gravity on Mars?
Physics
1 answer:
Varvara68 [4.7K]3 years ago
7 0
F=ma, so a=F/m. Thus, the more massive object accelerates more slowly, that is, the 21 kg object is three times slower than the 7 kg one (2nd variant, 7kg is 3 times faster than 21kg)
You might be interested in
How many times smaller is the moon than earth?
Yuki888 [10]
The moon has approximately 1/4 of earths diameter, 1/50 of earths volume and 1/80 of earths mass
3 0
2 years ago
Read 2 more answers
A boxer punches a sheet of paper in midair and brings it from rest up to a speed of 30 m/s in 0.060 s .
zimovet [89]

Answer:

Force exerted, F = 1.5 N

Explanation:

It is given that, a boxer punches a sheet of paper in midair and brings it from rest up to a speed of 30 m/s in 0.060 s.

i.e. u = 0

v = 30 m/s

Time taken, t = 0.06 s

Mass of the paper, m = 0.003 kg

We need to find the force the boxer exert on it. The force can be calculated using second law of motion as :

F=m\times a

F=m\times (\dfrac{v-u}{t})

F=0.003\times (\dfrac{30}{0.06})

F = 1.5 N

So, the force the boxer exert on the paper is 1.5 N. Hence, this is the required solution.

6 0
3 years ago
Which equations could be used as is, or rearranged to calculate for frequency of a wave? Check all that apply.
gregori [183]
First one second one and last one
4 0
3 years ago
Read 2 more answers
The crew of a cargo plane wishes to drop a crate of supplies on a target below. To hit the target, when should the crew drop the
lara [203]
To hit the target the crew drop the crate before the plane is directly over the target. It is because <span>because the cargo has forward velocity and therefore before it reaches the ground it travels some distance. The answer is A. Hope it helps. </span>
5 0
2 years ago
Read 2 more answers
A man runs 1200m on a straight line in 4 min . find his velocity.
luda_lava [24]

Answer:

5m/sec^2

Explanation:

Distance=1200m

Time=4 min

1=60sec

4=4 x 60

=240sec

Velocity=Distance/Time

Velocity=1200/240

Velocity=5m/sec^2

Mark me as brainliest

7 0
3 years ago
Other questions:
  • Suppose a scientist doing an experiment in nuclear fusion starts out with twelve atoms. How many atoms will most likely result f
    15·1 answer
  • PLEASE HELP!!
    7·2 answers
  • Stars release huge amounts of radiation from their surfaces while on the main sequence. why is this necessary if a star is to ma
    15·1 answer
  • If you are walking to the elevator on a cruise ship , what are you probably using your frame of reference
    14·1 answer
  • You normally drive on the freeway between San Diego and Los Angeles at an average speed of 105 km/h (65mi/h), and the trip takes
    7·2 answers
  • Match the following examples of energy with the primary form of energy exhibited.
    14·2 answers
  • Receiving delicious food is to escaping electric shock as ________ is to ________.
    10·1 answer
  • ) Determining the order of events and the relative age of rocks by examining the position of
    9·1 answer
  • During development, the cells in these organisms become specialized.
    13·1 answer
  • Does red or green light have more energy.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!