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
seropon [69]
3 years ago
10

Quick! how did Daniel hale Williams contribute to science?

Physics
1 answer:
My name is Ann [436]3 years ago
3 0
He preformed the first ever successful open heart surgery
You might be interested in
What creates the energy of the Sun?
Svet_ta [14]

Answer:

C

Explanation:

During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.

5 0
2 years ago
Number of vibrations (waves) in an amount of time
m_a_m_a [10]

Answer:

I think frequency not sure though

How frequently a wave or vibration occurs during a span of time, determines the waves frequency. Frequency is the number of waves per unit time. The unit for frequency if a Hertz ( 1/second). The speed a wave travels is the wavelength multiplied by this frequency. The amplitude of a wave is the maximum distance the wave is displaced.

5 0
2 years ago
PLEASE ANSWER ASAP!!! ITS DUE IN 10 MINUTES!!!!!!
forsale [732]

Explanation:

2. Aerobic exercise. ...

Strength building. ...

Balance Training. ...

Endurance. ...

Flexibility. ...

Moderate intensity exercise. ...

Vigorous exercise.

3.Brisk walking.

Running.

Jogging

Bear crawls.

Swimming.

Water aerobics.

Cycling/bicycling.

4. Running or Jogging. ...

Outdoor Cycling. ...

Walking.

5. The type of exercise to build muscle is strength training, although cardiovascular activity can also provide benefits.

Hope it helps..

5 0
3 years ago
A car accelerates at a rate of 5ft/s/s for a time of 9 seconds. How far does the car go?
vlada-n [284]

The car will move in a speed of 45 meter per second

4 0
3 years ago
Read 2 more answers
A student is creating a model of a concave lens. The diagram shows her incomplete model.
valentinak56 [21]

Answer:

D

Explanation:

I’m pretty sure it’s correct but I don’t really know. Just trying to pass science

8 0
2 years ago
Other questions:
  • you paddle a canoe with the force of 200N. you and the canoe have a combined mass of 97KG . what is the acceleration of the cano
    7·1 answer
  • Meteorite On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, creating a dent about 22 cm deep. If the initi
    5·2 answers
  • A sphere mass m1 and a block of mass m2 are connected by a light cord that passes over a pulley. The radius of the pulley is R,
    12·1 answer
  • A player kicks a football (from the ground) at an initial angle of 30°. The football is in the air for 2.4 s before it hits an o
    10·1 answer
  • What are the standard units of measurement for scientific experiments
    5·2 answers
  • For what values of θ are the magnitudes of the scalar product and the vector product equal? Express your answers in degrees usin
    8·1 answer
  • What does charge does a balloon have when its rubbed on your hair?
    14·1 answer
  • A ball is thrown straight up into the air. Which of the following best describes the energy present at various stages?
    13·1 answer
  • Two people stand facing each other at a roller skating rink then push off each other. a). What is the momentum of the system bef
    10·1 answer
  • Need help ASAP, 1 MC
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!