5. Mick is a 185 lb snowboarder. His snowboard weighs 67 N. What is the combined weight of Mick and his snowboard?
Q: Is it necessary that that every black coloured objects should be considered a blackbody?
A: A perfect black body is a body that absorbs all the radiation that falls on it.
Q: If air is a bad conductor of heat, why do we not feel warm without clothes?
A: Air is a bad conductor of heat because molecules are not close together as in solids. Thus, heat tra...
Q: Is the temperature of body falls through 1 degree C , what will be the change on Kelvin scale?
A: The below temperature limit is absolute temperature (0 K or -273o C). Above this limit, the temperat...
Q: How an ice box or refrigerator keep things cold for a long time?
A: Refrigerator works based on the principle heat is taken from the source at a higher temperature and ...
Q: Second: Motion of the fired bomb:The tank is to be placed on a hill that is 2 km high above the grou...
A: (b) The bomb is launched horizontally, so initial vertical velocity is zero.Write the kinematic expr...
Q: A passenger jet flies at a constant speed from one airport to another 1,500 miles away in 3.5 hours....
A: The expression for speed of the jet flies from one airport to another is,
Q: 1 mole of a monoatomic gas is mixed with 3 moles of a diatomic gas. What is the molecular specific h...
A: The specific heat of a monoatomic gas is given by
Q: Why can water be boiled in paper cup?
A: Step 1Water can be boiled in paper cup without burning the paper cup.
Q: The temperature of a gas sample is increased. Why does its pressure increase?
A: The ldeal gas law is given by