Physics Exam Questions FUTA Post UTME

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A boy runs 100 m due north and then 100 m due east. What is his displacement?

(A) 100.2m 45º N

(B) 200m 45º E

(D) 10,000m 45º E

A mango fruit dropped to the ground from the top of a tree 40 m tall. Find how long it takes the fruit to reach the ground if acceleration due to gravity g=10m/

(A) 2.2 s

(B) 805 s

(D) 2 s

A 0.1 m long elastic band extends 5 mm when a load of 80 N is hung from its end Calculate the strain on the band

(A) 16

(B) 5

(D) 0.05

A machine with a mass of 4 kg fires a 45 g bullet at a speed of 100 m/s. Find the recoil speed of the machine gun.

(A) 3.5 m/s

(B) 1.1 m/s

(D) 2 m/s

A blacksmith dropped a 1.5 kg iron bead at 300ºC into some quantity of water. If the temperature of the water rose from 15ºC to 18ºC, what is the mass of the water assuming no heat is lost to the surrounding? (Take the specific heat of iron as 0.46 J kg-1 C-1 and that of water as 4.2 x 103 J kg-1 C-1 )

(A) 15.44 kg

(B) 15.44 g

(D) 194.58 kg

Determine the absolute temperature at which the Fahrenheit temperature is twice the Celsius temperature.

(A) 299.82K

(B) 433.15K

(D) 406.35K

A 500 m long aluminum chair expands when it was placed in the sun. Its temperature increases from 20°C to 60°C Determine its new length. [a = 2.30 x 10-5 K-1 ].

(A) 500.46 m

(B) 540.28m

(D) 460.32m

4000 J of heat is applied to a 1.5 kg silver pendant initially at temperature of 150°C Determine its final temperature [Latent heat= 336 Jkg-1, specific heat capacity = 233 J/kg K].

(A) 38.4°C

(B) 41.5°C

(D) 161.5°C

A hose ejects water at 80 cl/s through a hole 2 mm in diameter. The water impinges on a wall and drops off without rebounding. What is the force on the wall?

(A) 2.04 N

(B) 240.0 N

(D) 20.4 N

10.

A force of 200 N pulls a sledge of mass 50 kg and overcomes a constant frictional force of 40 N. What is the acceleration of the sledge?

(A) 45 m/s

(B) 50 m/s

(D) 3.2 m/s²

1 out of 6

11.

A car of mass 500 kg accelerates from rest at 1m/s². What is the total distance covered in 1 minute?

(A) 1800 m

(B) 3600 m

(D) 2400 m

12.

A bullet of mass 15 g is fired from a riffle with a velocity 100 m/s. If the mass of the riffle is 1 kg. What is the recoil velocity of the riffle?

(A) 2.1 m/s

(B) 1.8 m/s

(D) 1.5 m/s

13.

A ball is thrown vertically upwards with a velocity of 30 m/s. Find the greatest height attained

(A) 50 m

(B) 45 m

(D) 40 m

14.

A car moving with a velocity of 16 m/s accelerates uniformly at the rate of 1 m/s2 to reach a velocity of 20 m/s. Find the distance covered

(A) 72 m

(B) 85 m

(D) 75 m

15.

A body of mass 1 kg falls freely from rest through a height of 150 m. Calculate the velocity of the body when it strikes the floor (g = 10 m/s2).

(A) 38.7 m/s

(B) 54.8 m/s

(D) 45.2 m/s

16.

An athlete runs 100 m in 12 s. What is his speed in km/h?

(A) 33 km/h

(B) 27 km/h

(D) 36 km/h

17.

A malaria patient has a body temperature of 98.6°F, What is this temperature on the Celsius scale?

(A) 20 °C

(B) 35 °C

(D) 32 °C

18.

A thermos bottle containing 250 g of coffee at 90 °C is added with a 20 g of milk at 5 °C After thorough mixing, what is the final temperature? c for water, coffee and milk is 1.00 Cal/g °C

(A) 84 °F

(B) 55 °C

(D) 84 °C

19.

A car moving with a speed of 90 km/h was brought to rest in 10 s by the application of the brakes. How far did the car travel after the brakes were applied

(A) 250 m

(B) 15 m

(D) 150 m

20.

A metre rule is found to balance at the 48 cm mark. When a body of mass 60 g is suspended at the 6 cm mark, the balance point is found to be at the 30 cm mark. Find the mass of the metre rule.

(A) 60 g

B) 180 g

(D) 80 g

2 out of 6

21.

A ball of mass 0.1 kg moving with a horizontal velocity of 15 m/s is shot into a wooden block of mass 0.4 kg lying at rest on a smooth horizontal surface. Find their common velocity after impact.

(A) 7.5 m/s

(B) 3.0 m/s

(D) 15.0 m/s

22.

A body of mass 2 kg moves velocity of 10 m/s. Neglecting air resistance, determine the kinetic energy of the body.

(A) 200 N

(B) 200 J

(D) 100 J

23.

A force F = (5i+ 3j)N acts on a body and causes a displacement r = (7i- j)m. Determine the work done.

(A) 35 J

(B) 53 J

(D) 21 J

24.

Which of the following statements is not correct about stable equilibrium?

(A) The body returns to its original position when it is slightly displaced and released

(B) a slight displacement raises its centre of gravity.

(D) a slight displacement lowers its centre of gravity.

25.

A body is projected vertically upwards with a velocity of 9.78 m/s. How high does it travel before it comes to rest momentarily at the top of its motion?. (g=9.78 m/s2)

(A) 2.45 m

(B) 4.89 m

(D) 9.78 m

26.

A drop hammer is lifted to a height of 50 m above the ground and then allowed to fall from rest on to a forging at ground level. Calculate the downward velocity of the hammer when it strikes the forging. (g = 10 m/s2)

(A) 25.8 m/s

(B) 10.95 m/s

(D) 31.6 m/s

27.

A uniform rod of weight 10 N 1s balanced at a point 75 cm from the end B The pivot is removed to point 30 cm from A What force must be applied at A to balance the rod horizontally?

(A) 25 N

(B) 15 N

(D) 20 N

28.

A man can row a boat at 13 m/s in still water. If he aims at crossing to the opposite bank of a river flowing at 5 m/s, at what angle to the bank of the river must he row the boat?

(A) 22.6º

(B) 56.8º

(D) 2lº

29.

A balloon filled with 1000 cm3 of gas at 127 ºC and pressure of 70 cm Hg. If the pressure changes to 28 cm Hg and temperature to -23.3 ºC, calculate the new volume of the gas.

(A) 485 cm³

(B) 218 cm³

(D) 136 cm³

30.

A block of aluminum is heated electrically by a 25 W heater. If the temperature rises by 10 ºC in 5 minutes, what is the heat capacity of aluminum?

(A) 650 J/K

(B) 500 J/K

(D) 750 J/K

3 out of 6

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Physics Exam Questions FUTA Post UTME

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