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
solmaris [256]
3 years ago
8

A skydiver jumps from an airplane and falls freely for 5 seconds. If the sky diver's velocity increases by 49 m/s during that ti

me, at which rate is the diver accelerating ?
Physics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Acceleration  =  (change in speed)  /  (time for the change)

                       =      (49 m/s)   /   (5 seconds)

                       =       (49 / 5)  m/s  /  s

                       =            9.8 m/s² 
mihalych1998 [28]3 years ago
3 0
Your answer would be 9.8
You might be interested in
which of the following helps to explain why you can lift heavy objects more easily when they are in water
lara [203]

Buoyancy from water. Buoyancy is an upward force on an object immersed in a fluid (i.e., a liquid or a gas), enabling it to float or at least to appear lighter.

3 0
3 years ago
Example of Newton’s law of universal gravitation…
insens350 [35]
The force that holds the gases in the sun. The force that causes a ball you throw in the air to come down again
4 0
3 years ago
Two tuning forks, 254 Hz. and 260 Hz., are struck simultaneously. How many beats will be heard?
Lisa [10]

The longer you continue to listen, the more beats will be heard.

They'll occur at the rate of (260Hz - 254Hz) = 6 Hz .
 
7 0
3 years ago
A 5.00 gram bullet moving at 600 m/s penetrates a tree trunk to a depth of 4.00 cm.
Crazy boy [7]
A) Work energy relation;
 Work =ΔKE ; work done = Force × distance, while, Kinetic energy = 1/2 MV²
 F.s = 1/2mv²
F× 4×10^-2 = 1/2 × 5 ×10^-3 × (600)²
 F = 900/0.04
    = 22500 N
Therefore, force is 22500 N

b) From newton's second law of motion;
 F = Ma
Thus; a = F/m
             = 22500/(5×10^-3)
             = 4,500,000 m/s²
But v = u-at
  0 = 600- 4500,000 t
t = 1.33 × 10^-4 seconds
6 0
4 years ago
When working with a powered instrument, the swirling effect produced by the water stream within the confined space of a periodon
Lina20 [59]

Answer:

Acoustic microstreaming

Explanation:

Acoustic microstreaming is the swirling effect produced by water stream confined in a spaced of a periodontal pocket.

  • It is the movement of water in a particular direction as a result of mechanical pressure within the fluid body.
  • They are often used in dental procedures to remove particulates from the teeth.
  • It mostly relies on the properties of sound waves to achieve this goal
3 0
3 years ago
Other questions:
  • According to the second law of thermodynamics, when energy changes occur, _______ increases. question 2 options:
    8·1 answer
  • 1. Which of the following statements describes a physical property?
    13·1 answer
  • a motorcar is moving with a velocity of 108 km / h and it takes 4s to stop after the brakes are applied calculate the force exer
    5·2 answers
  • How do I find the resultant force of a skydiver falling with gravity constant of 10 newtons and his weight is 70 kg??
    5·1 answer
  • TheE-field strength is 50,000 N/C inside a parallel plate capacitor with 2.0 mmspacing. A proton is released from rest at the po
    10·1 answer
  • Scientists today learn about the world by _____. 1. using untested hypotheses to revise theories 2. observing, measuring, testin
    7·1 answer
  • Please help me with question 16 and question 17 . Thank you
    5·1 answer
  • What does exponential part growth mean?​
    14·1 answer
  • Which is not a detritivore<br>a. maggots<br>b.worms<br>c.dung flies<br>d.squirrels​
    15·2 answers
  • The speed limit sign in indiana reads 60 miles per hour. convert these units to meters per second
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!