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
pishuonlain [190]
2 years ago
10

The longest banana split ever made was 7.32 km long (obviously they used more than one banana). If an archer were to shoot an ar

row horizontally from the top of Mount Everest, which is 29 029 ft above sea level, would the arrow’s horizontal displacement be larger than the banana split? Assume that the maximum firing speed of the arrow is 100.0 m/s, that there is no air resistance, and that the arrow lands at sea level.
Physics
1 answer:
elixir [45]2 years ago
8 0

Answer:

The horizontal displacement of the arrow is not larger than the banana split.

Explanation:

Using y - y₀ = ut - 1/2gt², we find the time it takes the arrow to drop to the ground from the top of mount Everest.

So, y₀ = elevation of Mount Everest = 29029 ft = 29029 × 1ft = 29029 × 0.3048 m = 8848.04 m, y = final position of arrow = 0 m, u = initial vertical speed of arrow = 0 m/s, g = acceleration due to gravity = 9.8 m/s² and t = time taken for arrow to fall to the ground.

y - y₀ = ut - 1/2gt²

0 - y₀ = 0 × t - 1/2gt²

-y₀ = -1/2gt²

t² = 2y₀/g

t = √(2y₀/g)

Substituting the values of the variables, we have

t = √(2y₀/g)

= √(2 × 8848.04 m/9.8 m/s²)

= √(17696.08 m/9.8 m/s²)

= √(1805.72 s²)

= 42.5 s

The horizontal distance the arrow moves is thus d = vt where v = maximum firing speed of arrow = 100 m/s and t = 42.5 s

So, d = vt

= 100 m/s × 42.5 s

= 4250 m

= 4.25 km

Since d = 4.25 km < 7.32 km, the horizontal displacement of the arrow is not larger than the banana split.

You might be interested in
A periodic wave with wavelength 2m has a speed of 4m/s. What is the waves frequency?.
Gekata [30.6K]

The wave frequency is 2 Hz.

What is wave frequency ?

The number of waves that pass through a fixed point in a given amount of time is referred to as the wave frequency. The hertz is the SI unit for wave frequency (Hz).

f = v / w

where,

f = frequency\\v = speed \\w = wavelength

Given,

v = 4 m/s, w = 2 m

f = 4/2 \\f = 2 Hz\\

The waves frequency is 2 Hz.

To know more about wave frequency,check out:

brainly.com/question/15830195

#SPJ4

5 0
1 year ago
A radioactive substance decays according to the formula w = 20e¡kt grams where t is the time in hours. a find k given that after
blagie [28]
W=20 e(-kt)  
A. Rearranging gives k= -(ln(w/20)/t 
 Substituting w= 10 and solving gives k=0.014 
 B. Using W=20e(-kt). After 0 hours, W=20. After 24 hours, W=14.29g. After 1 week (24x7=168h) W=1.9g 
 C. Rearranging gives t=-(ln(10/20)/k. Substituting w=1 and solving gives t=214 hours. 
 D. Differentiating gives dW/ dt = -20ke(-kt). Solving for t=100 gives dW/dt = 0.07g/h. Solving for t=1000 gives 0.0000002g/h 
 E. dW/dt = -20ke(-kt). But W=20e(-kt) so dW/dt = -kW
5 0
3 years ago
When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air,
Marianna [84]

Find the below attachment

4 0
3 years ago
A student uses 150 N to push a block of wood up a ramp at constant velocity of 2.6m/s. What is his power output?
11Alexandr11 [23.1K]

Answer:

P= 390 W

Explanation:

In physics, power is the rate of doing work or of transferring heat, i.e. the amount of energy transferred or converted per unit time.  Work  is a force F applied over a distance x. Matemathicaly it means

P = dW/dt ≈ d(F * x)/dt = xdF/dt + Fdx/dt. If force is constant dF/dt=0 so P=F dx/dt = P*v, where v is velocity, the rate of distance per unit time.

We have force and velocity. Newton is unit of Kg*m/s2, hence

P= 150 kgm/s2 * 2.6 m/s =390 Kgm2/s3 = 390 W, where W is Watts and is an unit of power

8 0
3 years ago
Rhea is a high school gymnast, and she is really inspired by Simone Biles. Rhea really admires her skill and dedication. However
Alborosie

Answer: D

Explanation:

If Rhea is inspired and not too focused on comparing abilities, Biles is a good role model.

6 0
3 years ago
Other questions:
  • Help please!!!!!!!!!!
    8·1 answer
  • Help!!! Pleaaaaaseee SOS!!
    14·1 answer
  • All of the following are examples of suspensions except:
    12·2 answers
  • Deadpool is doing a superhero landing from a 21 meter tall building what would his velocity be right before he hits the ground?
    8·1 answer
  • Karla Ayala pulls a sled on an icy road (dangerous!). Because of Karla's pull, the tension force is 151 N, and the rope makes a
    13·1 answer
  • Helelepppppppppppapap
    8·1 answer
  • RATIO of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is:
    8·2 answers
  • A gas at 110atm and 303K filled a container of 2L. If the temperature is raised to 353 K and the pressure is increased to 440atm
    14·1 answer
  • The first step in responding to any sports injury is to __________.
    6·2 answers
  • Explain how the intensity of the UV light varies across the Earth
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!