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
dangina [55]
3 years ago
11

PLEASE ANSWER ASAP!!!!!!!

Physics
1 answer:
Viefleur [7K]3 years ago
4 0

Answer:

B. Mechanical energy= 50J+30J=80J

You might be interested in
Suppose your body was able to use the chemical energy of gasoline. how far could you pedal a bicycle at 15 km/hr on the enrgy in
Likurg_2 [28]
Idkdkkkkddddddddddddddddddd
3 0
3 years ago
1. What is the primary difference between an ideal emf device and a real emf device? a) The electric potential of a real emf dev
Kazeer [188]

Answer:

The answer is option D.

Explanation:

An EMF device is a device that produces an electromagnetic field and the components that it has also have their own internal resistance.

This is the case in a real life EMF device but for an ideal EMF device, the internal resistance is equal to zero so there is no voltage drop because of that.

The answer is option D.

I hope this answer helps.

3 0
4 years ago
In a game of pool, a cue ball rolls without slipping toward the stationary eight ball with a momentum of 0.23 kg. After the two
IrinaVladis [17]

This question involves the concepts of the law of conservation of momentum.

The magnitude of the final momentum of the eight ball is "0.22 N.s".

According to the law of conservation of momentum:

P_{i1}+P_{i2}=P_{f1}+P_{f2}

where,

P_{i1} = initial momentum of the cue ball = 0.23 N.s

P_{i2} = initial momentum of the eight ball = 0 N.s (since ball is initially at rest)

P_{f1} = final momentum of the cue ball = 0.01 N.s

P_{f2} = final momentum of the eight ball = ?

Therefore,

0.23\ N.s + 0\N.s = 0.01\ N.s+P_{f2}\\\\P_{f2} = 0.22\ N.s

Learn more about the law of conservation of momentum here:

brainly.com/question/1113396?referrer=searchResults

3 0
3 years ago
HELP ASAP I WILL GIVE BRAINLIEST!!!!!!!!!!!
Mice21 [21]
Ok the answer for this question would be B. Hope this helps.

5 0
3 years ago
Why should spray cans not be heated?
inna [77]

The can will burst if you do

5 0
4 years ago
Read 2 more answers
Other questions:
  • The temperature of a sample of water increases from 20°C to 46°C as it absorbs 5650 calories of heat. What is the mass of the sa
    9·1 answer
  • The record of an earthquake obtained from a seismic instrument is a(n) ________.
    8·1 answer
  • A boat develops a leak and, after its passengers are rescued, eventually sinks to the bottom of a lake. When the boat is at the
    6·1 answer
  • Two trains on separate tracks move toward each other. Train 1 has a speed of 109 km/h; train 2, a speed of 99.0 km/h. Train 2 bl
    5·1 answer
  • During which phase of a four stroke engine are waste gases removed?
    15·1 answer
  • A string of length L, fixed at both ends, is capable of vibrating at 309 Hz in its first harmonic. However, when a finger is pla
    11·1 answer
  • Harry and Sally are sitting on opposite sides of a circus tent when an elephant trumpets a loud blast. If Harry experiences a so
    12·1 answer
  • A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the
    9·1 answer
  • Compare between chromosphere, corona and photosphere
    11·1 answer
  • Use the drop-down menus to complete the statements. v ion is formed. OS When electrons are lost, a ____ When electrons are gaine
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!