Q. A ball is dropped from a height of 80 m. How long will it take to reach the ground? (Take g = 10 m/s²) (2021)
A.
4 s
B.
5 s
C.
6 s
D.
8 s
Show solution
Solution
Using the formula h = (1/2)gt², we have 80 = (1/2)(10)t². Solving gives t² = 16, so t = 4 s.
Correct Answer: B — 5 s
Learn More →
Q. A car travels 100 km in 2 hours and then 50 km in 1 hour. What is the total average speed of the car? (2019)
A.
50 km/h
B.
60 km/h
C.
70 km/h
D.
80 km/h
Show solution
Solution
Total distance = 100 + 50 = 150 km. Total time = 2 + 1 = 3 hours. Average speed = Total distance / Total time = 150/3 = 50 km/h.
Correct Answer: B — 60 km/h
Learn More →
Q. A car travels at a speed of 60 km/h. How far will it travel in 2.5 hours? (2021)
A.
120 km
B.
150 km
C.
180 km
D.
200 km
Show solution
Solution
Distance = Speed × Time = 60 km/h × 2.5 h = 150 km
Correct Answer: B — 150 km
Learn More →
Q. A cyclist covers a distance of 30 km at a speed of 15 km/h. How long does it take to complete the journey? (2022)
A.
1 hour
B.
2 hours
C.
2.5 hours
D.
3 hours
Show solution
Solution
Time = Distance / Speed = 30 km / 15 km/h = 2 hours.
Correct Answer: B — 2 hours
Learn More →
Q. A person walks 3 km north and then 4 km east. What is the straight-line distance from the starting point? (2021)
A.
5 km
B.
6 km
C.
7 km
D.
8 km
Show solution
Solution
Using Pythagoras theorem, distance = √(3² + 4²) = √(9 + 16) = √25 = 5 km.
Correct Answer: A — 5 km
Learn More →
Q. A person walks 3 km towards the north and then 4 km towards the east. What is the straight-line distance from the starting point? (2020)
A.
5 km
B.
6 km
C.
7 km
D.
8 km
Show solution
Solution
Using Pythagoras theorem, distance = √(3² + 4²) = √(9 + 16) = √25 = 5 km.
Correct Answer: A — 5 km
Learn More →
Q. A runner completes a 400 m lap in 50 seconds. What is the average speed of the runner in m/s? (2019)
A.
6 m/s
B.
7 m/s
C.
8 m/s
D.
9 m/s
Show solution
Solution
Average speed = Total distance / Total time = 400 m / 50 s = 8 m/s.
Correct Answer: A — 6 m/s
Learn More →
Q. A stone is thrown vertically upwards with a speed of 15 m/s. How long will it take to reach the highest point? (Take g = 10 m/s²) (2023)
A.
1.5 s
B.
2 s
C.
3 s
D.
4 s
Show solution
Solution
Time to reach highest point = u/g = 15/10 = 1.5 s.
Correct Answer: B — 2 s
Learn More →
Q. A train leaves a station at 2 PM traveling at 80 km/h. If it travels for 3 hours, at what time will it arrive at the next station? (2022)
A.
4 PM
B.
5 PM
C.
6 PM
D.
7 PM
Show solution
Solution
Departure time = 2 PM, travel time = 3 hours. Arrival time = 2 PM + 3 hours = 5 PM.
Correct Answer: C — 6 PM
Learn More →
Q. A train travels 120 km at a speed of 60 km/h and then 180 km at 90 km/h. What is the average speed for the entire journey? (2019)
A.
72 km/h
B.
75 km/h
C.
80 km/h
D.
85 km/h
Show solution
Solution
Total time = (120/60) + (180/90) = 2 + 2 = 4 hours. Total distance = 120 + 180 = 300 km. Average speed = Total distance / Total time = 300/4 = 75 km/h.
Correct Answer: C — 80 km/h
Learn More →
Q. A train travels from station A to station B, a distance of 300 km, at a speed of 75 km/h. How long does the journey take? (2019)
A.
3 hours
B.
4 hours
C.
5 hours
D.
6 hours
Show solution
Solution
Time = Distance / Speed = 300 km / 75 km/h = 4 hours.
Correct Answer: C — 5 hours
Learn More →
Q. A vehicle accelerates from rest at a rate of 2 m/s². How far does it travel in 10 seconds? (2020)
A.
50 m
B.
100 m
C.
150 m
D.
200 m
Show solution
Solution
Using the formula s = ut + (1/2)at²; s = 0 + (1/2)(2)(10²) = 100 m.
Correct Answer: B — 100 m
Learn More →
Q. An object is thrown vertically upwards with a speed of 20 m/s. How high will it rise before coming to rest? (Take g = 10 m/s²) (2020)
A.
20 m
B.
40 m
C.
50 m
D.
80 m
Show solution
Solution
Using the formula h = (u²)/(2g) = (20²)/(2 × 10) = 20 m.
Correct Answer: B — 40 m
Learn More →
Q. An object moves in a straight line with a uniform speed of 10 m/s. How far will it travel in 15 seconds? (2023)
A.
100 m
B.
120 m
C.
150 m
D.
200 m
Show solution
Solution
Distance = Speed × Time = 10 m/s × 15 s = 150 m.
Correct Answer: C — 150 m
Learn More →
Q. An object moves in a straight line with a uniform speed of 30 m/s. How far will it travel in 15 seconds? (2022)
A.
300 m
B.
450 m
C.
600 m
D.
750 m
Show solution
Solution
Distance = Speed × Time = 30 m/s × 15 s = 450 m.
Correct Answer: C — 600 m
Learn More →
Q. If a car accelerates uniformly from rest to a speed of 25 m/s in 10 seconds, what is the distance covered during this time? (2023)
A.
125 m
B.
150 m
C.
200 m
D.
250 m
Show solution
Solution
Distance = ut + (1/2)at². Here, u = 0, a = (25-0)/10 = 2.5 m/s². Distance = 0 + (1/2)(2.5)(10²) = 125 m.
Correct Answer: A — 125 m
Learn More →
Q. If a cyclist travels at a speed of 15 km/h for 1 hour and then at 20 km/h for 2 hours, what is the average speed for the entire journey? (2022)
A.
17 km/h
B.
18 km/h
C.
19 km/h
D.
20 km/h
Show solution
Solution
Total distance = 15 km + 40 km = 55 km; Total time = 1 h + 2 h = 3 h; Average speed = Total distance / Total time = 55 km / 3 h = 18.33 km/h.
Correct Answer: B — 18 km/h
Learn More →
Showing 1 to 17 of 17 (1 Pages)