Answer:Both are correct
Explanation:
Both are correct because
Mechanical efficiency is the dimensionless term which is the ratio of brake horsepower to the Indicated horse Power
Where brake power is the Power obtained at the crankshaft and
Indicated horsepower is the power obtained in the combustion chamber and this power is the loss in the form of friction.
Volumetric efficiency is the ratio of actual fuel intake to the maximum air fuel that could be taken.
Answer:
BMI = 20.98 [kg/m^2]; Normal or Healthy Weight
Explanation:
Body mass index (BMI) is a person’s weight in kilograms divided by the square of height in meters. Therefore we must convert the height from centimeters to meters.
BMI = 68 / (1.8)^2
BMI = 20.98 [kg/m^2]
BMI Weight Status
Below 18.5 Underweight
18.5 – 24.9 Normal or Healthy Weight
25.0 – 29.9 Overweight
30.0 and Above Obese
So the weight status is Normal or Healthy Weight
Inertia is the resistance of an object to moving or stopping
Answer:
The electric field strength is
Explanation:
Given that,
Kinetic energy
Distance = 0.920 m
We need to calculate the velocity of proton
Using formula of kinetic energy
Put the value into the formula
We need to calculate the acceleration
Using equation of motion
Put the value into the formula
We need to calculate the electric field strength
Using formula of electric field
Put the value in to the formula
Hence, The electric field strength is
Answer:
40 J
Explanation:
= 4 C
= 2 C
= 20 J
The potential energy is directly proportional to the charge of the particle
The potential energy expected is 40 J