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
vesna_86 [32]
3 years ago
9

(NEED HELP PLEASE) A physics student goes to the roof of the school, 24.15 m above the ground, and drops a pumpkin straight down

with an initial velocity of 0 m/s. How long does it take for the pumpkin to hit the ground?
Physics
1 answer:
slavikrds [6]3 years ago
7 0

Answer:

t = 2.2 s

Explanation:

Given that,

Height of the roof, h = 24.15 m

The initial velocity of the pumpkin, u = 0

We need to find the time taken for the pumpkin to hit the ground. Let the time be t. Using second equation of kinematics to find it as follows :

h=ut+\dfrac{1}{2}at^2

Here, u = 0 and a = g

h=\dfrac{1}{2}gt^2\\\\t=\sqrt{\dfrac{2h}{g}} \\\\t=\sqrt{\dfrac{2\times 24.15}{9.8}} \\\\t=2.22\ s

So, it will take 2.22 s for the pumpkin to hit the ground.

You might be interested in
If you place bean seeds between moist paper towels and watch the stems and leaves appears,you will see a demonstration of??
Alenkinab [10]
<span>Germination Germination is the procedure of seeds forming into new plants. To start with, ecological conditions must trigger the seed to develop. For the most part, this is controlled by how profound the seed is planted, water accessibility, and temperature. At the point when water is abundant, the seed loads with water in a procedure called imbibition.</span>
7 0
3 years ago
List five situations in which a lesser amount of friction would be beneficial. Overall, would a high or low coefficient of frict
Natalka [10]
Low coefficient of friction

1. flying a plane (friction between air and plane)
2. ice skating (friction between ice and skate blade)
3. swimming (water & skin)
4. rowing a boat (water and boat)

6 0
3 years ago
Read 2 more answers
is the rate at which ____________________ changes. (Velocity or Acceleration, velocity or acceleration)
Troyanec [42]

<u>Acceleration</u> is the rate at which <u>velocity</u> changes.

8 0
2 years ago
In a typical rear-end collision, the victim's ________ is/are accelerated faster and harder than the torso
Georgia [21]

The victim's head is accelerated faster and harder than the torso when the victom is involved in a typical rear-end collision.

The traffic accident where a vehicle crashes into another vehicle that is directly in front of it is called a rear-end collision.

 

One of the most common accident in the United States is the rear-end collision, and in a lot of cases, rear-end collisions are prompted by drivers who are inattentive, unfavorable conditions of the road, and poor following distance.

 

<span>An enough room in front of your car so you can stop when the car in front of you stops suddenly is one basic driving rule. The person isn’t driving safely if he / she is behind you and couldn’t stop.</span>

8 0
3 years ago
Read 2 more answers
Hi please may someone help me especially on the sketch part.
vaieri [72.5K]

Ignoring the air resistance it will take about 3 seconds for the object to reach the ground.We know that the acceleration due to gravity is 10m/s2.

We also know that the final velocity is 30 m/s while the initial velocity is 0 m/s

we can use the formulae for acceleration to calculate the time taken/

(final - initial velocity)/timetaken=10

(30-0)/timetaken=10

timetaken =30/10=3 seconds

7 0
3 years ago
Other questions:
  • How does the sun get its power? In which region of the sun does this process occur?
    12·1 answer
  • Extreme tides are
    9·1 answer
  • A viscous liquid is sheared between two parallel disks of radius �, one of which rotates with angular speed Ω, while the other i
    14·1 answer
  • As air becomes warmer, it
    10·2 answers
  • how far can your little brother get if he can travel at 2.5 m/s and in 5 seconds you will discover that his gin has run out of p
    15·1 answer
  • White light viewed through a prism is an example of a(n) _______________ spectrum.
    10·1 answer
  • If a roller coaster has 50,000 J of potential energy at the top of the first hill, how much kinetic energy does it have at the l
    13·1 answer
  • If you know how to SHiFT in sleep how do you do it
    5·1 answer
  • If Maggie is walking at 1.4 m/s and accelerates at 0.20 m/s^2. What is her final velocity at the end of 100.0m
    13·1 answer
  • A woman gets burned at the beach after a hot, sunny day. What kind of
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!