What is the acceleration of a proton moving with a speed of 6.5 m/s at right angles to a magnetic field of 1.4 T?
1 answer:
Answer:
The acceleration of the proton is 8.714 x 10⁸ m/s².
Explanation:
Given;
speed of the proton, v = 6.5 m/s
magnetic field strength, B = 1.4 T
The magnetic force on the proton is given as;
F = qvB
The force of the moving proton is given as;
F = ma
Thus, ma = qvB
where;
m is mass of proton = 1.673 x 10⁻²⁷ kg
q is charge of proton = 1.602 x 10⁻¹⁹ J
a is the acceleration of the proton
Therefore, the acceleration of the proton is 8.714 x 10⁸ m/s².
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The hockey player is moving at a speed of 9. 5 m/s. if it takes him 2 seconds to come to a stop under constant acceleration, will be s = 9.5 m.
The branch of physics that defines motion with respect to space and time, ignoring the cause of that motion, is known as kinematics. Kinematics equations are a set of equations that can derive an unknown aspect of a body’s motion if the other aspects are provided.
These equations link five kinematic variables:
Displacement (denoted by Δx)
Initial Velocity v0
Final Velocity denoted by v
Time interval (denoted by t)
Constant acceleration (denoted by a)
These equations define motion at either constant velocity or at constant acceleration. Because kinematics equations are only applicable at a constant acceleration or a constant speed, we cannot use them if either of the two is changing.
v = u + at
0 = 9.5 + a (2)
a = - 9.5 /2 m/
=
+ 2as
0 = + 2* (- 9.5 /2) * s
- = - 9.5 s
s = 9.5 m
To learn more about kinematics here
#SPJ4
Answer:
Minimize the elevation or jump distance
Explanation:
The only action that minimizes, the impact force is to reduce as much as possible the height of the jump, the dog, ie the height from the jump point of the building. Since at the time of the jump its speed will increase every second at the rate of 9 [m/ s], that is this low effect of the gravitational acceleration of 9 [m/s^2]
where:
vf = final velocity [m/s]
g = gravity [m/s^2]
h = elevation [m]
As we can see while there is higher height, at a higher speed will impact the ground.