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
vitfil [10]
2 years ago
12

a student places 8 similar coins in a pile . the height of the pile of coins is 2.4 cm calculate the average thickness of one co

in
Physics
1 answer:
Anon25 [30]2 years ago
7 0

Answer:

0.3 cm

Explanation:

\frac{2.4}{8}  \\  = 0.3

You might be interested in
A generator is a device that _____.
Darina [25.2K]
Th correct option is D.
A generator operates by converting mechanical energy into electrical energy by rotating coils of wire around magnetic field. There are two types of generator, a direct current generator and an alternating current generator.
3 0
3 years ago
Read 2 more answers
The two most common eating disorders are anorexia nervosa and bulimia what percentage of American adolescents have experienced a
Hitman42 [59]

Answer:

2.7%,Almost three percent of adolescents

Explanation:

The two most common eating disorders are anorexia nervosa and bulimia what percentage of American adolescents have experienced anorexia nervosa or bulimia

The National Institute of Mental Health reports that 2.7% of teens, ages 13-18 years old, struggle with an eating disorder.Almost three percent of adolescents ages 13-18 are diagnosed with an eating disorder. Generally, adolescent girls are at a higher risk for developing an eating disorder than are boys.Eating disorders are a daily struggle for females and  males in the United States in which It is estimated that 1.0%

Four out of ten  individuals have either personally experienced an eating disorder or know someone who has

7 0
3 years ago
Read 2 more answers
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is paralle
Alex73 [517]

Answer:

715 N

Explanation:

Since the system is moving at a constant velocity, the net force must be 0. The tension on the road is equal and opposite direction with the kinetic friction force created by the road and the stuntman.

Let g = 9.8 m/s2

Gravity and equalized normal force is:

N = P = mg = 107*9.8 = 1048.6 N

Kinetic friction force and equalized tension force on the rope is

T = F_{\mu} = N\mu = 1048.6 * 0.682 = 715.1452 N

6 0
3 years ago
A spherical asteroid of average density would have a mass of 8.7×1013kg if its radius were 2.0 km.A)If you and your spacesuit ha
WITCHER [35]

A) 0.189 N

The weight of the person on the asteroid is equal to the gravitational force exerted by the asteroid on the person, at a location on the surface of the asteroid:

F=\frac{GMm}{R^2}

where

G is the gravitational constant

8.7×10^13 kg is the mass of the asteroid

m = 130 kg is the mass of the man

R = 2.0 km = 2000 m is the radius of the asteroid

Substituting into the equation, we find

F=\frac{(6.67\cdot 10^{-11})(8.7\cdot 10^{13} kg)(130 kg)}{(2000 m)^2}0.189 N=

B) 2.41 m/s

In order to orbit just above the surface of the asteroid (r=R), the centripetal force that keeps the astronaut in orbit must be equal to the gravitational force acting on the astronaut:

\frac{GMm}{R^2}=\frac{mv^2}{R}

where

v is the speed of the astronaut

Solving the formula for v, we find the minimum speed at which the astronaut should launch himself and then orbit the asteroid just above the surface:

v=\sqrt{\frac{2GM}{R}}=\sqrt{\frac{2(6.67\cdot 10^{-11})(8.7\cdot 10^{13} kg)}{2000 m}}=2.41 m/s

3 0
3 years ago
Is nucluer energy renewable or non-renewable and why?
kati45 [8]

Explanation:

nuclear energy is non renewable resources because it cannot be renewed...

7 0
2 years ago
Other questions:
  • A quantitative description of kinematics involves using __ to describe the motion
    6·2 answers
  • Suppose you have 150. ml of a substance with density of 42.0 g/dm3. convert the volume from milliliters to liters to cubic decim
    9·1 answer
  • The lengths of two sides of a right triangle are given.Find the length of the third side. Round to the nearest tenth if necessar
    10·1 answer
  • “Would you rather have toast or cereal for breakfast?” Lila's mother asks, allowing Lila to have a sense of control over her bre
    8·1 answer
  • A circuit has a current of 1.2 A. If the voltage decreases to one-third of its original amount while the resistance remains cons
    5·1 answer
  • The items in the following list are all units of matter. Which is the smallest unit that retains the properties of the matter?
    8·1 answer
  • An Object with a mass of 40kg is moving at a velocity of 10 m/s. Determine its kinetic energy
    8·1 answer
  • What seems to make the center of the atom unstable?
    5·1 answer
  • Which of the following can carry light waves but not sound waves
    14·2 answers
  • How is the density of water different from the densities of most other substances?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!