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Safawi kicked a ball with an initial speed of 20 ms-1 at 30º angle. If the ball experienced a constant vertical acceleration of -9.81 ms-2, calculate the ball’s maximum height and distance. Explain how soccer player could apply the force of summation theory to optimize his kicks performance.
A flat circular plate of copper has a radius of 0.243m. It's mass is 62kg. Friend the thickness of the plate. [the density of the copper is known to be 8.93g/cm³]
2. An insulated rigid tank contains helium of 1.5 lb at 80°F and 50 psia. A paddle wheel with a power rating of 0.20 hp is operated within the tank for 30 min. Determine the final temperature of the specific heat at constant volume is 0.753 Btu/lbm E. (1 hp =
2545 Btu/hr)
1. Compute the pressure ratio (P₁/P₂) of nitrogen that is expanded isentropically from
620 °F to 60 "F.
A 10kg mass has a ke of 125 j what is the velocity
A copper calorimeter of mass of 70.5g contains 100g of water at 19.5°c, naphthalene (np) melting point is 79.9°c is melted in a test tube and then poured into the calorimeter. If the highest temperature reached by the water after stirring is 28.7°c and the final mass of the calorimeter and it’s content is 188.3g. Calculate the latent heat of fusion of naphthalene
If you can travel back in time and reset it to January 2016, what will you invent and what principle of physics will you use to help/aid in the pandemic the world is experiencing today?
It has been clearly asked by the Department of Health that people should avoid closed spaces since the COVID-19
virus can be easily transmitted in these type of areas. WHAT DO YOU THINK IS THE PRINCIPLE OF PHYSICS USED to arrive at the mentioned fact? Elaborate your answer.
An ideal gas at 15.5 °C and a pressure of 1.72 x 10 ⁵pa occupies a volume of 2.81 cubic meter (show solution).
A) How many moles of gas are present?
B) If the volume is raised to 4.16m³, and the temperature raised to 28.2°C, what will be the pressure of the gas?
An ion engine (see Fig. 1-6) has a 1-T magnetic field, and a hydrogen
plasma is to be shot out at an Ex B velocity of 1000 km/sec. How much internal
electric field must be present in the plasma
#331389 on Nov 2022