<span>62 x 9.8 x 12= 7 291.2! Hope this is helpful!</span>
ANSWER
The correct answer is D.
EXPLANATION
The y-component of the vector, is the same as the vertical component of the vector.
We can see from the graph that each box in the grid is one unit.
The component of vector a is
We count 4 boxes along the positive y- axis to get the y-component of vector a.
See graph in attachment.
Answer:
a= 1.59 m/s² : Magnitude of the acceleration
β = 65.22° (north of east) : Direction of the acceleration
Explanation:
Conceptual analysis
We apply Newton's second law:
∑F = m*a (Formula 1)
∑F : algebraic sum of the forces in Newton (N)
m : mass in kilograms (kg)
a : acceleration in meters over second square (m/s²)
Problem development
The acceleration is presented in the direction of the resultant force applied .
Calculation of the resultant forces (R)
R= 429.5 N
We apply the formula (1) to calculate the magnitude of the acceleration(a) :
∑F = m*a , m= 270 kg
R= m*a
429.5 =270*a
a= 1.59 m/s²
Calculation of the direction of the acceleration (β)
β = 65.22° (north of east)
Answer:
total kinetic energy is 8 × J
Explanation:
given data
potential difference = 5 V
e = 1.60 × C
to find out
what is kinetic energy
solution
we will apply here conservation of energy that is
change in potential energy is equal to change in kinetic energy
so
change potential energy is e × potential difference
change potential energy = 1.60 × × 5
change potential energy = 8 × J
so change in kinetic energy = 8 × J
and we know proton start from rest that mean ( kinetic energy is 0 ) so
change in KE is total KE
total kinetic energy is 8 × J