Practice for Multiple choice 1. How much heat Q, in Joules, is required to warm up 1.0 kg of water from 10°C to 30°C?

Q: 4 m X 4m The location of the centroid of the shaded area about x-axis is m

A: Given, A curve of y=14x2

Q: give at least three observations from the plot.

A: The observations from the above chart are as follows: (1)  The curve lines in blue color represent…

Q: Define Escape Velocity ?

A: It is the minimum velocity that is required for any body to escape from earths gravitational field.…

Q: Calculate the vertical height of each trial and the calculated horizontal distance of each trial

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Q: What is the centripetal acceleration of an object traveling at 3m/s in a circular path of a radius…

A:

Q: [kgm/s] / [kgm3 /s2 ] =

A: Required [kgm/s] / [kgm3 /s2 ] =

Q: What are three possible trajectory motions?

A: Three possible trajectory motions

Q: What is the direction of A x B in the figure below? B. Into screen Into screen. You selected this…

A:

Q: Circle: on a dart board find the ratio of area of inner circle to area of outer circle if the ratio…

A: Given that the ratio of the radius of inner circle to area of outer  1:2 the area of the circle is…

Q: During a NASCAR race a car goes 50 m/s around a curved section of the track that has a radius of 250…

A:

Q: Problem 3: (a) A model rocket is launched from the ground with an initial velocity of 20 m/s. How…

A: Given data The initial velocity of the rocket is given as u = 20 m/s. The gravitational…

Q: one question, what would be the answer to a, b and c?

A:

Q: What is the acceleration Due to Gravity based on the Altitude of  0.001778 km

A:

Q: A projectile is fired with an initial velocity of 400 m/s hits a cliff 2000 meter apart determine…

A:

Q: Who is the founder of the airline Virgin Galactic ?

A: Airline Virgin Galactic is founded on 2009 by sir, Richard Branson through virgin group (70 %…

Q: you solve the question by looking at table in pic? question: What is the numerical correspondence of…

A: Given:- mass m= 0.034 kg  radius = 0.1  Find:-  The centripetal force at the sped of  3.5 m/s  4.5…

Q: What was the average speed in meters per second of a race car that travels once every 8 seconds…

A: Here, we have Radius of circular track, r = 20 m time taken by car to complete the track , t = 8 s…

Q: Warmup: and Force is measured in acceleration is measured in and mass is measured in If we know the…

A: Force is measured in Newtons and and mass is measured in kilograms and acceleration is measured in…

Q: Describe the gravitational forces.

A: Gravitational forces: Gravitational force is the attractive force between two bodies of non zero…

Q: If a projectile is launched from a greater height, the distance traveled: Decreases Does not change…

A:

Q: Did it go clockwise or counterclockwise? How do you know?

A: Given Ferris wheel with a radius of 30 ft and center that is 45 ft off the ground. It is required to…

Q: A ball Is piojected forward at angle 35°, so that the motron of The initral velocty SO parabolic…

A: The first equation of motion is  v = u + at  where, u is the initial velocity, a is the…

Q: A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a…

A:

Q: What is the period? (How much time to go around one full revolution?)

A: Time period (denoted by 'T'' ) is the time taken for one complete cycle of vibration to pass a…

Q: Calculats the height of a satellite in a parking lot

A:

Q: NASA's new SLS rocket travels about 10 km/s in space. At this speed, how long would it take to reach…

A: Write the relationship between the speed, time, and distance. v=dt Here, v is the speed, d is the…

Q: nts Quiz Instructions ns Question 10 2 pts A stone is projected at 30° above the horizontal and…

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Q: Define the term trajectory? What kind of information can be predicted from the trajectory?

A: To explain : TRAJECTORY

Q: Radius, Mass, Total Centripetal Centripetal Circumference Speed Mass Force (N) Force (N) r m 2πr…

A: Centripetal force is a force which acts on a body moving in a circular path and is directed towards…

Q: 2. In the space below, draw a set of x-y axes, and label the +y direction North and the +x direction…

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Q: Which of the following primarily moves in a three dimensional reference frame?   Question 8…

A: Which of the following primarily moves in a three dimensional reference frame?

Q: You're flying from Joint Base Lewis-McChord (JBLM) to an undisclosed location 176 km south and 113…

A: Draw the schematic diagram of the system.

Q: A novice pilot sets a plane's controls, thinking that the plane will fly at 2.50 x 102km/h to the…

A:

Q: The World War I started in O 1912 O 1913 O 1914 O 1915

A: The official date of start of the world war 1 is 28th July, 1914.

Q: Considering that you would stop to rest for 10 hours after every 11 hours of driving, if you can…

A: 10 hrs rest after every 11 hrs v=55mph D=2255 mile

Energy transfer

The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.

Molar Specific Heat

Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1) 

Thermal Properties of Matter

Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which is transferred between the two systems or in between the systems and their surrounding by the virtue of difference in temperature. Calorimetry is that branch of science which helps in measuring the changes which are taking place in the heat energy of a given body.