fundamentals of engineering thermodynamics answers

If µ is the Coefficient of sliding friction between the block and inclined plane, what Is the acceleration of the body? (1½) d. A block of mass m is Sliding down an inclined plane of angle θ. If the mass of the ball is 0.15kg determine the impulse of the ball. A bats man hits back a ball straight in the direction of bowler with out changing its initial speed of 12ms-1. According to first law of motion it should continue its motion. The motor of an automobile moving with a constant velocity is switched off. What is the ratio of maximum height to maximum range of the javelin that Can reach at this velocity (1½) 1+1½+½+1=4½ 7. Can you suggest a method to make the javelin reaches maximum distance.(½) d. At what time does the javelin reach the surface of the ground? (1½) c. What will be the nature of the path of the javelin? (1) b. A javelin is thrown at an 30O with respect to the surface of earth with a velocity of 20ms-1. A projectile motion is an example of two dimensional motion. If |A+B| = |A – B| where A and B are non zero vectors, what is the angle between them? (1½) 1½+½=2 6. Find the odd one out (i)Work (ii) Force (iii) Speed (iv) Mass (iv) Pressure (½) b. A vector quantity has both magnitude and direction. What will be the velocity of the ball when it reach back to the ground? (½) 1+1+½=2½ 5. What is the maximum height it will reach? (1) c. How long after projection the ball will have a velocity of 10m/s upward?(1) b.

A ball is thrown vertically upwards from the ground with a velocity of 30m/s. Compare the type of motion along CD & DE (1) ½+1+1=2½Ĥ.

Find the velocity of the body in the region BC (1) c. Along AB The body is in (i)rest (ii)uniform motion(iii)non uniform motion(iv)cannot be determined (½) b. Study the position time graph of a body given below and answer the following questions EĪ.

A body is said to be in motion if its position changes with respect to its surroundings. If the error in measurement of radius is 2٪, what is the percentile error in volume? (1½) ½+1+1½ =3 3. Find the volume of the sphere with correct significant digits. What is the least count of the instrument? ( ½) b. The radius of a sphere measured by a measuring instrument is found to be 1.05cm. Specific heat capacityĭimensional formula M1 L 0 T -2 M0 L 2 T 0K-1 Fill in the blanks suitably Physical Quantity Unit a. A Physical quantity is a quantity which can be measured. PLUS ONE HIGHER SECONDARY MODEL EXAMINATION FEB-2010 PHYSICSġ.

Fundamentals of engineering thermodynamics answers