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
blsea [12.9K]
3 years ago
9

Which statements about energy are true?

Physics
2 answers:
Masteriza [31]3 years ago
7 0

Answer:

i think that the awnsre is d

vampirchik [111]3 years ago
4 0

Answer:

c

Explanation:

this is because i need more words

You might be interested in
Why does convection occur only in fluids?
irinina [24]
Because the particles of a solid are not free to move,
no matter how hot and buoyant they become.
3 0
3 years ago
The equivalence between gravitational and inertial mass is explained in : the set of all of the events that happened on Earth
xxTIMURxx [149]

Answer:

The correct answer is theory of general relativity.

Explanation:

According to the statement of equivalence the gravitational mass force on an object standing on the surface of earth is same as the pseudo force that acts on it if it accelerated at acceleration equal to acceleration due to gravity.

According to Einestine both the forces are indistinguishable  as both the forces produce same effects. Thus both are equivalent and thus gravity is a phenomenon that can be analysed in a radically different way which gives some strange results such as bending of light, existence of black holes,e.t.c

6 0
3 years ago
1.A student attaches a string to a puck on a frictionless air table, and pulls with a constant force on the puck. a. Draw the fo
Mrrafil [7]

a)

for the puck :

F = force applied in the direction of pull

N = normal force on the puck in upward direction by the surface of table

W = weight of the puck in down direction due to force of gravity


b)

along the vertical direction , normal force balance the weight of the puck , hence the net force is same as the force of pull F .

so  F = ma                                    where m = mass of puck  , a = acceleration

Fnet = F


c)

since the net force acts in the direction of force of pull F , hence the puck accelerates in the same direction .

6 0
2 years ago
A 10.00 kg mass is moving to the right with a velocity of 14.0 m/s. A 12.0 kg mass is moving to the left with a velocity of 8.00
Basile [38]

Answer:

2 m/s

Explanation:

From the conservation of momentum, the initial momentum of the system must be equal to the final momentum of the system.

Let the 10.00 kg mass be m_1 and the 12.0 kg mass be m_2. When they collide and stick, they have a combined mass of m_1+m_2.

Momentum is given by p=mv. Set up the following equation:

\displaystyle m_1v_1+m_2v_2=(m_1+m_2)v_f, where v_f is the desired final velocity of the masses.

Call the right direction positive. To indicate the 12.0 kg object is travelling left, its velocity should be substitute as -8.00 m/s.

Solving yields:

10\cdot 14 + 12\cdot (-8)=(10+12)v_f\\\implies v_f=\boxed{2 \text{ m/s}}

4 0
2 years ago
While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to c
MakcuM [25]
When Venus put in a different battery with higher voltage ... no matter
what other components were in the circuit ... the voltage across the
light bulb, and the current through it, both had to increase, and the
light bulb had to shine brighter than before.  
7 0
3 years ago
Read 2 more answers
Other questions:
  • A vessel of 0.25 m3 capacity is filled with saturated steam at 1500 kPa. If the vessel is cooled until 25% of the steam has cond
    13·1 answer
  • During aerobic activity, if your heart rate is lower than the lower limit, you are ___________________.
    11·1 answer
  • When you snap your wrist open, the frisbee:
    7·2 answers
  • Explain how objects in motion have kinetic energy, use examples
    13·1 answer
  • ........................................................ waves are detected first because they move so fast .
    11·1 answer
  • What is the difference between Vx and Vy in projectile motion?
    5·1 answer
  • The graph shows the amplitude of a passing wave over time in seconds (s). What is the approximate frequency of the wave shown?
    6·2 answers
  • What is the minimum force required to increase the energy of a car by 84 J over a distance of 38 m? Assume the force is constant
    5·1 answer
  • A dry cell gives static electricity true or false?
    15·1 answer
  • The Venus flytrap is known for which of these behaviors?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!