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
tresset_1 [31]
3 years ago
14

We calculated the speed of visible light through four substances. What is different about the substances? Lesson: 4.10 Substance

Speed of Sound A 350 m/s B 1000 m/s C С 1500 m/s D 5000 m/s Their weights are different Their shapes are different Their pressures are different Their densities are different​
Physics
1 answer:
marusya05 [52]3 years ago
3 0

Answer:

it's to dense

Explanation:

You might be interested in
Which of the following is not an SI unit?
galina1969 [7]

Answer:

Pound

Explanation:

SI Unit stands for the International Standard of Unit. Thus from the options given, metre is a measure of length which is an SI unit. Kilogram is a measure of mass of a goven matter which is also an SI unit. Second is a measure of time which is an SI unit. Pound is a measure of masswhich is not an SI unit  but has to be converted to kilograms which an SI unit.

8 0
3 years ago
Q2. A certain machine is used to lift a load of 500N when an effort of 50N is applied to the machine the load is raised by 10m a
Natalija [7]

Answer:

2%

Explanation:

E=l/E x r/R x100%

=5000/50 x 0.1/0.6 x100

=2% or 166.7

8 0
2 years ago
Read 2 more answers
Will give brainliest!!
givi [52]
A. Move the candle to the right, or the focal point to the left.

For a convex lens, the closer an object is to the focal point, the larger it’s image is (and therefore the greater the magnification is). The two ways you could make the candle be closer to the focal point are to move the candle to the right, or the focal point to the left.
4 0
3 years ago
An athlete is working out in the weight room. He steadily holds 50 kilograms above his head for 10 seconds. Which statement is t
postnew [5]

Answer:

A. The athlete isn’t doing any work because he doesn’t move the weight.

Explanation:

We must remember the definition of work, which says that work is equal to the product of mass by the distance displaced. In this case, the athlete only does work when he lifts the weight from the ground to the point where he holds the weight suspended.

So when he's holding the weight, he doesn't do any work.

3 0
3 years ago
When light reflects from a surface, there is a change in its
alexandr402 [8]
The answer is: none of the above.

Explanation:

When light reflects from a surface, the frequency, wavelength, and speed do not change. They remain the same.
6 0
2 years ago
Other questions:
  • How to calculate kinetic energy ? (physics/physical science)
    6·1 answer
  • NEED ANSWER ASAP PLEASE!!!!
    10·1 answer
  • What is the climate of northern Alaska?
    6·2 answers
  • what is the mass of of a wooden block that has a length of 4cm and a width of 5cm and a height of 10cm
    6·1 answer
  • How can you break open a coconut without ANY tools, only your hands, that means no rocks, no hammers, no special tools, and don'
    13·1 answer
  • For a person with a Near Point (NP) = 45 cm, what would be his prescription's lens power = _________ diopters A) 1.08 diopters
    8·1 answer
  • The greater the amplitude of a wave, the greater its
    8·1 answer
  • How much dirt is there in a hole 3 feet deep, 6 ft long and 4 ft wide?
    12·2 answers
  • which out of the four molecules only have a single element:Oxygen gas,liquid water,carbon disulfide,Neon gas.
    8·2 answers
  • Encontrar el peso de un elefante cuya masa es de 4500kg. Recordar que la gravedad es de 9.8m/s2
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!