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
HACTEHA [7]
3 years ago
8

The Astronomer Carl Sagan is famous. Why?

Physics
1 answer:
Zolol [24]3 years ago
6 0
Mainly because he was Johnny Carson's advisor and consultant
on space, astronomy, and science in general, and he appeared
on The Tonight Show Starring Johnny Carson many times.
You might be interested in
A car changes chemical energy from fuel into thermal energy and ________ energy.
Shkiper50 [21]

Answer:

Mechanical energy

Explanation:

A car changes chemical energy from fuel into thermal energy and mechanical energy.

Mechanical energy can be defined as the type of energy that is possessed by an object due to its motion or position. Mechanical energy is the sum of potential energy and kinetic energy, that is, the sum of energy in motion and stored energy. Examples of mechanical energy includes driving a car, riding a bicycle, listening to music etc.

Types of mechanical energy

1. Motion energy (kinetic energy)

2. Stored energy(potential energy)

Mechanical energy = Kinetic energy + Potential energy

4 0
3 years ago
VERY EASY QUESTION!!!!!! 20 POINTS!!!!!!!!
slamgirl [31]
C. at a science fair
4 0
2 years ago
Read 2 more answers
A baseball sits motionless near first base on a baseball diamond. What statement
Citrus2011 [14]

Answer:

B. There are no forces acting on the ball.

Explanation:

There are no forces acting on the ball.

5 0
2 years ago
What happens when light strikes a translucent object?
sammy [17]

Answer:

D)   Some of the light passes through, and some of the light is absorbed or scattered by the object.

Explanation:

When light strikes translucent materials, only some of the light passes through them. The light does not pass directly through the materials. ... When light strikes an opaque object none of it passes through. Most of the light is either reflected by the object or absorbed and converted to heat.

(I googled it) ☺

3 0
3 years ago
Read 2 more answers
A substance did not change it's chemical nature in reaction which mostly likely describe the reaction
Ad libitum [116K]
If the substance doesn't change chemically, it is a physical reaction.
8 0
3 years ago
Other questions:
  • What is the role of the air spaces in insulating materials? Select all that apply.
    9·2 answers
  • Which of the following is an oxidation-reduction reaction? ZnS(s) + 2O2(g) mc011-1.jpg ZnSO4(s) CaO(s) + H2O(l) mc011-2.jpg Ca(O
    7·2 answers
  • What kind of motion is the motion of the “flying bully”? How much and what is
    11·1 answer
  • A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the bl
    8·1 answer
  • Suppose your vehicle is moving 12m/s as it crosses the 7m line. It took 6 seconds to get to the 7m line. What was its accelerati
    11·1 answer
  • A 25.0-gram bullet enters a 2.25-kg watermelon with a speed of 220 m/s and exits the opposite side with a speed of 110 m/s. If t
    5·1 answer
  • A 4.0 kg ball is traveling at 3.0 m/s and strikes a wall. The ball bounces off the wall with a velocity of 4.0 m/s in the opposi
    5·1 answer
  • a particle of mass m sits at rest at x = 0. At time t = 0 a force given by F = Fe^(-t/T) is applied in the +x direction; F and T
    11·1 answer
  • Which statement best describes longitudinal waves
    10·1 answer
  • What is the quantity of work done when a crane lifts a 100-n block from 2 m above the ground to 6 m above the ground?.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!