4.The air velocity of a small plane is 230 km/lh [N 35° E] when the wind is blowing at 75 km/h (W 25° S]. Determine the velocity of the plane relative to the ground.
Kinetic Theory of Gas
The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.
P-V Diagram
A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.
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1.A motorboat was moving [E 20° S] at 50.0 km/h. The operator then turned the boat
E 20° N] and decreased the speed to 30.0 km/h over 5.0 min. Determine the average
acceleration of the boat.
2. A person decides to swim across a river 84 m wide that has a current moving with a
velocity of 0.40 m/s [E]. The person swims at 0.70 m/s N] relative to the water. K/U
T/I A
(a) What is the velocity of the person with respect to Earth?
(b) How long will it take to cross?
(c) How far downstream will the person land?
(d) In what direction should she swim if she lands at a point directly north of her
starting position?
I.
3. A basketball player is standing 9.5 m from the basket, which is at a height of 3.1 m.
She throws the ball from an initial height of 2.0 m at an angle of 35° above the
horizontal. The ball goes straight through the basket. Determine the initial speed of
the ball.
4.The air velocity of a small plane is 230 km/h [N 35° E] when the wind is blowing at
75 km/h [W 25° S]. Determine the velocity of the plane relative to the
ground.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f26ab8a-3d55-4fad-9b02-449628c99f88%2Ffc674756-569c-43c6-8be2-9731121911ed%2Fxu5tjj_processed.jpeg&w=3840&q=75)
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