The gravitational field of m1 is denoted by g1. Enter an expression for the gravitational field g1 at position la in terms of m1
1 answer:
Answer:
The expression of gravitational field due to mass at a distance
Explanation:
We have given mass is
Distance of the point where we have to find the gravitational field is
Gravitational constant G
We have to find the gravitational filed
Gravitational field is given by
This will be the expression of gravitational field due to mass at a distance
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a) The speed of the student after the jump is 1.07 m/s
b) The final speed of the laser is 10.4 m/s
Explanation:
a)
We can solve this problem by applying the law of conservation of momentum: if there are no external forces acting on the system, the total momentum of the student+Laser system must be constant. Therefore, we can write:
where
The initial momentum is zero
m = 42 kg is the mass of the Laser
v = 1.5 m/s is the final velocity of the Laser
M = 59 kg is the mass of the student
V is the final velocity of the student
Solving the equation for V, we find the velocity of the student:
So, the final speed of the student is 1.07 m/s.
b)
In this case, the laser and the student are travelling at 3.1 m/s before the student jumps off: therefore, the total momentum before the jump is not zero.
So, the equation of the conservation of momentum is
where
m = 42 kg is the mass of the Laser
M = 59 kg is the student's mass
u = 3.1 m/s is the initial velocity of the student and the Laser
V = -2.1 m/s is the velocity of the student after the jump (she jumps backward)
v is the final velocity of the Laser
And solving for v, we find
Learn more about momentum:
#LearnwithBrainly
The temperature of the gas is about 600 K
The Ideal Gas Law that needs to be recalled is:
<em>P = Pressure (Pa)</em>
<em>V = Volume (m³)</em>
<em>n = number of moles (moles)</em>
<em>R = Gas Constant (8.314 J/mol K)</em>
<em>T = Absolute Temperature (K)</em>
Let us now tackle the problem !
<u><em>Question (Translation):</em></u>
<em>A total of 0.2 moles of ideal gas are in containers with volume of 10 liters and a pressure of 1 atm. What is the temperature of the gas?</em>
<u>Given:</u>
number of moles = n = 0.2 moles
volume of gas = V = 10 liters
pressure of gas = P = 1 atm
gas contant = R = 0.0821 L.atm/mol.K
<u>Unknown:</u>
temperature of gas = T = ?
<u>Solution:</u>
- Minimum Coefficient of Static Friction : brainly.com/question/5884009
- The Pressure In A Sealed Plastic Container : brainly.com/question/10209135
- Effect of Earth’s Gravity on Objects : brainly.com/question/8844454
Grade: High School
Subject: Physics
Chapter: Pressure
Keywords: Gravity , Unit , Magnitude , Attraction , Distance , Mass , Newton , Law , Gravitational , Constant , Liquid , Pressure
Answer:
Should place the current perpendicular to the magnetic field
Explanation:
The magnetic force exerted on a current-carrying wire is given by
where
I is the current in the wire
L is the length of the wire
B is the magnetic field
is the angle between the direction of the wire and the magnetic field
As we see from the formula, the magnetic force is maximum when
which means
So, when the current in the wire and the magnetic field are perpendicular to each other.