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
dlinn [17]
2 years ago
9

The leaning tower of Pisa is about 56 meters tall. A ball released from the top takes 3.4 seconds to reach the ground. The final

velocity of the ball before it hits the ground is 33 meters/second. Assuming that the ball experienced a constant acceleration throughout this descent, calculate the magnitude of the acceleration.
Physics
2 answers:
ExtremeBDS [4]2 years ago
8 0

Answer:

s=56, u=0, v=33, a=?, t=3.4

v=u+at

33=3.4 a

a = 9.7m/s^2.Plato users

Explanation:

geniusboy [140]2 years ago
7 0
S=56, u=0, v=33, a=?, t=3.4

v=u+at
33=3.4 a
a = 9.7m/s^2
You might be interested in
Technician A states that a reading of 250 mv from the O2 indicates a rich exhaust. Technician B states that when the PCM receive
Pachacha [2.7K]

Answer:

Technician B is correct

Explanation:

An oxygen sensor will generate about 1.0 volts when the fuel mixture is rich and there is little unburned oxygen in the exhaust. When the mixture is lean, the sensor's output voltage will drop down to about 0.1 volts.

An o2 sensor cannot accurately measure how rich or how well an exhaust system is.

Therefore, Technician B is correct.

7 0
3 years ago
A homeowner is trying to move a stubborn rock from his yard. By using a a metal rod as a lever arm and a fulcrum (or pivot point
Nonamiya [84]

Answer:

1.52 m

Explanation:

We are given that

Maximum force=F=679 N

Mass of rock ,m=385 kg

Distance,d=0.233 m

We have to find the  minimum total length L of the rod required to move the rock.

Torque on rock=T_1=mgd=385\times 9.8\times 0.233=879.11 N

Where g=9.8m/s^2

Torque on man=T_2=Force\times distance=(L-d)\times 679=(L-0.233)\times 679

T_1=T_2

(L-0.233)\times 679=879.11

L-0.233=\frac{879.11}{679}=1.29

L=1.29+0.233=1.523\approx 1.52 m

Hence, the minimum total  length of rod=1.52 m

3 0
3 years ago
HELP!!!!!! PLEASE!! I WILL GIVE 25 POINTS!!!!
Zolol [24]

3 is B my dude and the reason nobody answered is because thousands of questions are asked every day. So not every question can be answered. It doesn't have to do with being lazy.  

8 0
3 years ago
Read 2 more answers
Please answer my question!,
Karolina [17]

Answer:

Hope this helps! Mark as brainliest if liked thanks!

Explanation:

Your reasoning that the shadow is the shortest at mid-day is spot-on!

The wording of the question is the key to the answer. It says that the measurements were made in Summer. So this means that British Summer Time (BST) is being applied. BST is one hour ahead of Greenwich Mean Time and so what looks like 1pm is really 12 noon.

The safest sort of answer is to say that the shadow is shortest when the sun is at its highest point, and in this particular question that is at 1 pm because it is BST.

3 0
3 years ago
Las carreras de velocidad pura en el atletismo son:
zheka24 [161]
La respuesta es la letra b
8 0
3 years ago
Other questions:
  • How much electrical energy is used by a 75 W laptop that is operating 12 minutes?
    15·1 answer
  • A 700- kg vehicle is traveling at the speed of 6m/s how much kinetic energy does it have ???
    8·2 answers
  • The image above shows the nucleus of a nitrogen atom. How can the atomic number of nitrogen be determined?
    7·1 answer
  • If one were 230 kilometers above sea level, one would be in the part of the atmosphere known as the ________.
    8·1 answer
  • What are two things you do ahead of time to prepare for a lab
    7·2 answers
  • The kinetic energy of a car is 8 × 106 J as it travels along a horizontal road. How much power is required to stop the car in 10
    7·1 answer
  • Which statements about the formation of the solar system are true and in a correct order?
    10·1 answer
  • List two ways of recording or measuring absolute time
    15·1 answer
  • Which element has an isotope with 43 neutrons and a mass number of 76?
    14·1 answer
  • . A 6 ohm resistor is connected to a 15 volt battery.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!