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
Mariana [72]
3 years ago
9

a ball is thrown horizontally from the roof of a building 45.0 m tall and lands 24.0 m from the base. What was the ball´s initia

l speed?
Physics
1 answer:
Sliva [168]3 years ago
4 0

ball drops 45m under g=10m/s/s

45=1/2x10xt^2 ... application of kinematic equaion from rest

90/10=t^2

t=3

24.0 m in 3 secs => 8m/s no air resistance

You might be interested in
Help Please!!!!!!!!!!!!!!!!!!
julia-pushkina [17]
The answer is 59.4 degrees.
4 0
3 years ago
Find the Y component of 35m/s at 57 degrees from the X-axis.
rosijanka [135]

Answer:

35m/s[57o].

X = 35*Cos57 =

Y = 35*sin7 =Explanation:

learn man but there u go

3 0
3 years ago
state and explain any effect on sensitivity of liquid in a glass thermometer (i) reducing the diameter of capillary tube​
Ad libitum [116K]

Answer:

please give me brainlist and follow

Explanation:

The measuring sensitivity of liquid-in-glass thermometers increases with the amount of liquid in the thermometer. The more liquid there is, the more liquid will expand and rise in the glass tube. For this reason, liquid thermometers have a reservoir to increase the amount of liquid in the thermometer.

4 0
3 years ago
What character trait is revealed about Montresor in the passage above? He feels it is important to conduct himself as a gentlema
Novosadov [1.4K]

so the monster passige may be confusing so just do auto books


6 0
3 years ago
Which statement best describes an atom?
SpyIntel [72]
The correct answer is going to be  <span>C, because in the nucleus of an atom there are protons and electrons; which can't move, and are surrounded by electrons on the electrical cloud</span>
5 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following minerals maintains healthy fluid balance?
    13·2 answers
  • a bus starts to move with the speed of 20 m/s.calculate the time taken by the bus to cover a distance of 72km​
    15·1 answer
  • The precision of a laboratory instrument is ± 0.05 g. The accepted value for your measurement is 7.92 g. Which measurements are
    13·1 answer
  • Water is the most common polar solvent. All of the following will dissolve, or be soluble, in water except _________.
    7·2 answers
  • why are wind hydroelectic and geothermal energy resources not suitable for providing energy worldwide?
    6·1 answer
  • What are three important details to know about an object's motion? Position, speed, density Speed, acceleration, position Positi
    11·2 answers
  • You are given three pieces of wire that have different shapes (dimensions). You connect each piece of wire separately to a batte
    6·1 answer
  • Stop to Think 7.1 Which one is greater- the attraction of the Earth on 1 kg lead or the attraction of 1 kg of led
    11·1 answer
  • Which physical property of the gas molecules gives the measurement of temperature​
    13·2 answers
  • Explain how horizontal motion can be uniform while vertical motion is accelerated.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!