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
Sholpan [36]
3 years ago
10

What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules?

Physics
1 answer:
Inga [223]3 years ago
5 0

The answer is 25% because 50,000 is 25% of 200,000

You might be interested in
A ship left the dock and travelled north at 50km/hr for 2 hours then it turned west at 60km/hr for 3 hours. What is the net resu
muminat

Answer:

resultant displacement = 20√1o6 km = 205912.6 m in the direction of western north.

Explanation:

assume that the ship started moving from A to B (north at 50km/hr for 2 hours) so the covered distance will be: 50*2 = 100 km

then it moves from B to C so the covered distance will be: 3*60 = 180 km

using Pythagoras, we get the resultant displacement = 20√1o6 km = 205912.6 m in the direction of western north.

8 0
3 years ago
What do low energy waves have
Elena-2011 [213]
The Answer: Photons

There is photons in low energy waves
7 0
3 years ago
. For transverse waves, compare the direction that the particles move to
Elza [17]

Answer:

The particles in transverse waves move perpendicular to the direction of how the wave moves.

Explanation:

5 0
3 years ago
what happens when light travels from one medium to another with a different index of refraction at a zero degree angle of incide
zaharov [31]

Answer:

No Refraction takes places

Explanation:

When light travels from one medium to another at an angle of incidence 0 degree then no refraction takes place .

It is because according to Refraction law

                    n_{i}sini = n_{r}sinr

where n_{i} ,n_{r} are the refractive index of medium of incidence and medium of refraction .

When i = 0 , left side of the equation becomes 0 and thus r (angle of refraction) must be zero. So No refraction takes place

4 0
3 years ago
Read 2 more answers
Which object has the most thermal energy?
den301095 [7]

Answer:

D is the answer

Explanation:

D is the most highest one so

the answer is D

3 0
3 years ago
Read 2 more answers
Other questions:
  • Describe the organization of our solar system
    14·2 answers
  • A bicyclist on an old bike (combined mass: 92 kg) is rolling down (no pedaling or braking) a hill of height 120 m. Over the cour
    6·2 answers
  • A car is travelling north at a constant speed of 20 m/s. A force is applied directly east on the car. The motion of the car will
    7·1 answer
  • You have a large metal sphere that starts out isolated and has no net charge. Then you bring a positively charged rod near it wi
    11·1 answer
  • How does a wave start​
    11·1 answer
  • A drag racer starts her car from rest and
    12·1 answer
  • How much work is done to move 3c of charge through a potential difference of 1.5v
    11·1 answer
  • A 2.0 cm thick brass plate (k_r = 105 W/K-m) is sealed to a glass sheet (kg = 0.80 W/K m), and both have the same area. The expo
    11·1 answer
  • HELP URGENT WILL GIVE BRAINLIEST
    5·1 answer
  • G.P.E = weight (n) x height (m). 2 identical twins are skiing down 2 different slopes. one is 1000m high, the other is 1500 m hi
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!