Answer:
An applied force is a force that is applied to an object by a person or another object. If a person is pushing a desk across the room, then there is an applied force acting upon the object. The applied force is the force exerted on the desk by the person.
It states that the rate of change of velocity of an object is directly proportional to the force applied and takes place in the direction of the force. It is summarized by the equation: Force (N) = mass (kg) × acceleration (m/s²). Thus, an object of constant mass accelerates in proportion to the force applied.
Answer:
Explanation:
Kinetic Energy = 0.5(Mass)(Velocity2)
Kinetic energy= 0.5 × 10kg × (50m/s)2
Kinetic Energy = 5kg × 2500m/s
Kinetic energy = 125000 J ( Ans)
Answer:
1.54 s
Explanation:
Considering that the legs constitute 16% of the total weight of the man then mass,
The legs also constitute 48% of his height hence
The moment of inertia of a cylinder rotating about a perpendicular axis at one end is hence
We also know that the period is given by
Here, h=0.5H= 0.5*0.8784=0.4392 m
Taking g as 9.81 kg/m2 then
Answer:
0.1132 kJ/K the total heat capacity of the calorimeter.
Explanation:
The combustion energy of glucose = 15.57 kJ/g.
Energy released on 2 combustion of 2.000 g of glucose = Q
Q=31.140 kJ
Heat gained by the calorimeter = Q'
Heat gained by the calorimeter = heat released on combustion of glucose
Q'= 31.140 kJ
Temperature change of the calorimeter = ΔT = 23.34°C - 21.45°C = 1.89°C
ΔT = 1.89°C = 275.04 K
Total heat capacity of the calorimeter = C
0.1132 kJ/K the total heat capacity of the calorimeter.
C = 5/9 x (°F - 32)
C = 5/9 (200 - 32)
C = 5/9 x 168
C = 37.74 C or to round off 37.8 C
Hope this helps