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
Luda [366]
2 years ago
15

Pleaseee help as soon as possible!!

Physics
1 answer:
Tatiana [17]2 years ago
5 0

Answer:

its right 2000 meters ask your teacher

Explanation:

You might be interested in
All of the following are regulated by the medulla except __________.
Lelechka [254]

Answer:

i think its B sorry if its wrong

7 0
3 years ago
Read 2 more answers
A projectile is fired at an upward angle of 45.0º from the top of a 265-m cliff with a speed of .sm 185 What will be its speed w
nignag [31]

The final velocity of the projectile when it strikes the ground below is 198.51 m/s.

<h3>Time of motion of the projectile</h3>

The time taken for the projectile to fall to the ground is calculated as follows;

h = vt + ¹/₂gt²

where;

  • h is height of the cliff
  • v is velocity
  • t is time of motion

265 = (185 x sin45)t + (0.5)(9.8)t²

265 = 130.8t + 4.9t²

4.9t² + 130.8t - 265 = 0

solve the quadratic equation using formula method,

t = 1.89 s

<h3>Final velocity of the projectile</h3>

vyf = vyi + gt

where;

  • vyf is the final vertical velocity
  • vyi is initial vertical velocity

vyf = (185 x sin45) + (9.8 x 1.89)

vyf = 149.322 m/s

vxf = vxi

where;

  • vxf is the final horizontal velocity
  • vxi is the initial horizontal velocity

vxf = 185 x cos(45)

vxf = 130.8 m/s

vf = √(vyf² + vxf²)

where;

  • vf is the speed of the projectile when it strikes the ground below

vf = √(149.322²  +  130.8²)

vf = 198.51 m/s

Learn more about final velocity here: brainly.com/question/6504879

#SPJ1  

3 0
2 years ago
At what age can a person begin taking actions that will reduce the risk of dementia
Snowcat [4.5K]

Answer:

Any time bud, keep good health

Balance your blood sugar with a whole-foods, low-glycemic diet. ...

Eat healthy fats that make your brain happy. ...

Exercise daily. ...

Supplement wisely. ...

Check your thyroid and sex hormone levels. etc

Explanation:

5 0
3 years ago
An arrow of mass 0.5kg so it has 25J of kinetic energy; find the speed of the arrow v = m/s​
miss Akunina [59]

Answer:

10 m/s

Explanation:

Use the kinetic energy formula:

KE=(1/2)mv^2

I always remember it as Kevin is half-mad, and very square.

25J = (1/2)*0.5kg*(v^2)

50J = 0.5kg*(v^2)

100J = v^2

v = 10 m/s

Check it:

KE = (1/2)*0.5*(10^2)

KE = 25J

yep, it's right!

4 0
3 years ago
Which of the following defines the opposition to the flow of electrical current? A. charge B. current C. voltage D. resistance
Minchanka [31]
The option that defines the opposition to the flow of electrical current is D. resistance. 
7 0
3 years ago
Other questions:
  • A 56 kg astronaut stands on a bathroom scale inside a rotating circular space station. The radius of the space station is 250 m.
    9·1 answer
  • An object with a mass of m = 3.00 kg has an initial velocity of vi = 6.00 m/s and a final velocity of vf = −8 m/s.
    5·1 answer
  • A homing pigeon starts from rest and accelerates uniformly at +4.00 m/s squared for 10.0 seconds. What is its velocity after the
    13·1 answer
  • If two negative charges decrease 1/2 times it's original charge then the force will become how many times stronger
    11·1 answer
  • What is the initial velocity and final velocity<br> h
    7·1 answer
  • Question 8 of 10
    13·1 answer
  • Here is a force diagram of an object in water. The weight of the object is 15N and the buoyancy force is 17N. Will the object fl
    11·1 answer
  • An electrical circuit is a portable device that converts chemical energy into electrical energy
    6·1 answer
  • If a bus is running with a speed of 72 km/hr,calculate the distance travelled by it in 5 second.Which of the following is right
    7·1 answer
  • Engineers are investigating the properties of a material for use as a wrapping product. Three identical
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!