Answer:
The formula is: weight/mass = gravitational field strength. On Earth the gravitational field strength is 10 N/kg.
Explanation:
Answer:
170 N
Explanation:
The following data were obtained from the question:
Mass (m) = 20 Kg
Angle (θ) = 30°
Acceleration due to gravity (g) = 9.8 m/s²
Weight (W) =?
The perpendicular component of the weight can be obtained by using the following formula:
W = mg × Cosθ
W = 20 × 9.8 × Cos 30
W = 196 × 0.866
W = 169.7 ≈ 170 N
Therefore, perpendicular component of the weight is 170 N
The cathode ray experiment showed that they were both negative and positive charges in the atom. This led him to theorize that the charges MUST be spread out evenly throughout the atom. this is the plum-pudding model
Answer:
The electric field points to the left because the force on a negative charge is opposite to the direction of the field.
Explanation:
In an electric field, a positive charge has tendency to move from high to low potential and hence experience the electric force in the direction of electric field since electric field lines are directed from high to low potential.
In an electric field, a negative charge has tendency to move from low to high potential and hence experience the electric force in the direction opposite to electric field since electric field lines are directed from high to low potential.This phenomenon happened because The electric field from a positive charge will points away from the charge while the electric field from a negative charge will points toward the charge.