Answer:
F = 98.67 N
Explanation:
Given that,
The initial velocity of the sled, u = 1.6 m/s
The mass of the child and the sled is 37 kg
The sled stops pushing on it for 0.60s in a direction opposite to its motion.
We need to find the magnitude of the average force you need to apply to stop the sled.
Impulse = change in momentum
We have, v = 0
So, the magnitude of the average force is 98.67 N.
Hi there!
The period of an orbit can be found by:
T = Period (? s)
r = radius of orbit (6400000 m)
v = speed of the satellite (8000 m/s)
This is the same as the distance = vt equation. The total distance traveled by the satellite is the circumference of its circular orbit.
Let's plug in what we know and solve.
Answer:
Push with force of 1N
Explanation:
I have explained in the paper.
Goodluck
Answer:
3.28 cm
Explanation:
To solve this problem, you need to know that a magnetic field B perpendicular to the movement of a proton that moves at a velocity v will cause a Force F experimented by the particle that is orthogonal to both the velocity and the magnetic Field. When a particle experiments a Force orthogonal to its velocity, the path it will follow will be circular. The radius of said circle can be calculated using the expression:
r =
Where m is the mass of the particle, v is its velocity, q is its charge and B is the magnitude of the magnetic field.
The mass and charge of a proton are:
m = 1.67 * 10^-27 kg
q = 1.6 * 10^-19 C
So, we get that the radius r will be:
r = = 0.0328 m, or 3.28 cm.
