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
shusha [124]
3 years ago
9

HELP ME take your time

Physics
1 answer:
devlian [24]3 years ago
8 0
Weight on mars= weight on earth/ 9.81 m/s * 3.711 m/s^2 = 0.38 kg
You might be interested in
Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reac
astra-53 [7]

Answer:

They all hit at the same time

Explanation:

Let the time of flight is T.

The maximum height is H and the horizontal range is R.

The formula for the time of flight is

T=\frac{2uSin\theta }{g} ..... (1)

Te formula for the maximum height is

H=\frac{u^{2}Sin^{2}\theta }{2g}    .... (2)

From equation (1) and (2), we get

\frac{T^{2}}{H}=\frac{\frac{4u^{2}Sin^{2}\theta }{g^{2}}}{\frac{u^{2}Sin^{2}\theta }{2g}}    

\frac{T^{2}}{H}=\frac{8}{g}

T=\sqrt{\frac{8H}{g}}

here, we observe that the time of flight depends on the maximum height and according to the question, the maximum height for all the three balls is same so the time of flight of all the three balls is also same.

8 0
3 years ago
Abishek is a runner. He runs the 100 m sprint
konstantin123 [22]

Answer:

1.67m/s

Explanation:

Total Distance to be travelled by a Runner=100m

Time Taken=10*6s

Speed=Distance/Time

=100/10*6=10/6=1.67m/s

3 0
3 years ago
Read 2 more answers
The period of a 400 hertz sound wave is ___ second
Oksi-84 [34.3K]

Answer:

0.0025 sec

Explanation:

Period = 1 / frequency = 1/400 = 0.0025 sec

3 0
2 years ago
Read 2 more answers
System A has masses m and m separated by a distance r; system B has masses m and 2m separated by a distance 2r; system C has mas
Anna [14]

Answer:

System D --> System C --> System A --> System B

Explanation:

The gravitational force between two masses m1, m2 separated by a distance r is given by:

F=G \frac{m_1 m_2}{r^2}

where G is the gravitational constant. Let's apply this formula to each case now to calculate the relative force for each system:

System A has masses m and m separated by a distance r:

F=G\frac{m \cdot m}{r^2}=G \frac{m^2}{r^2}

system B has masses m and 2m separated by a distance 2r:

F=G\frac{m \cdot 2m}{(2r)^2}=G \frac{2m^2}{4r^2}=\frac{1}{2} G \frac{m^2}{r^2}

system C has masses 2m and 3m separated by a distance 2r:

F=G\frac{2m \cdot 3m}{(2r)^2}=G \frac{6m^2}{4r^2}=\frac{3}{2} G \frac{m^2}{r^2}

system D has masses 4m and 5m separated by a distance 3r:

F=G\frac{4m \cdot 5m}{(3r)^2}=G \frac{20m^2}{9r^2}=\frac{20}{9} G \frac{m^2}{r^2}

Now, by looking at the 4 different forces, we can rank them from the greatest to the smallest force, and we find:

System D --> System C --> System A --> System B

5 0
4 years ago
A 16.9 kg monkey is swinging on a 5.32 m long vine. It starts at rest, with the vine at a 43.0° angle. How fast is the monkey mo
NemiM [27]

Answer:

v = 5.7554 m/s

Explanation:

First of all we need to know if the angle of the vine is measured in the horizontal or vertical.

To do this easier, let's assume the angle is measured with the horizontal. In this case, the innitial height of the monkey will be:

h₀ = h sinα

h₀ = 5.32 sin43° = 3.6282 m

As the monkey is dropping from the innitial point which is the suspension point, is also dropping from 5.32. Then the actual height of the monkey will be:

Δh = 5.32 - 3.63 = 1.69 m

In order to calculate the speed of the monkey we need to understand that the monkey has a potential energy. This energy, because of the gravity, is converted in kinetic energy, and the value will be the same. Therefore we can say that:

Ep = Ek

From here, we can calculate the speed of the monkey.

Ep = mgΔH

Ek = 1/2 mv²

The potential energy is:

Ep = 16.9 * 9.8 * 1.69 = 279.9

Now with the kinetic energy:

1/2 * (16.9) * v² = 279.9

v² = (279.9) * 2 / 16.9

v² = 33.12

v = √33.12

<h2>v = 5.7554 m/s</h2>

Hope this helps

3 0
3 years ago
Other questions:
  • An optical telescope is an instrument that collects and _____.
    5·1 answer
  • Water flows from the bottom of a storage tank at a rate of r(t) = 300 − 6t liters per minute, where 0 ≤ t ≤ 50. Find the amount
    15·1 answer
  • Motion Quiz : Help me i have 80 more questions i have to finish by tonight!!!!
    12·1 answer
  • A student constructed a series circuit consisting of a 12.0-volt battery, a 10.0-ohm lamp, and a
    14·1 answer
  • Most of the water used in the United States and Canada is for residential<br> True or false
    9·1 answer
  • What is the critical angle for glass when the refractive index is 1.45
    10·1 answer
  • A ferris wheel with radius r rotates freely about its central
    5·2 answers
  • One object has a mass of 1 kg and another object has a mass of 3 kg. If the speeds are the same, which of the following is true
    13·1 answer
  • Llus
    14·2 answers
  • A football player kicks a field goal from a distance of 45 m from the goalpost. The football is launched at a 35° angle above th
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!