A car travelling at 50kph can be stopped at a distance of 40m by applying brakes. If the same car is travelling at 80kph, the minimum stopping distance in meters is (assume no skidding).

Q: The bob of a pendulum is 0.2 kg. It is hung by mean of 1.2 m string from the ceiling . If it is…

A: Mass of Bob "m"= 0.2kg  length of string "L"= 1.2m  vertical distance from ceiling "= 0.3 m

Q: A cabinet, weighing 400 lbs, was pushed out of a penthouse window 2800 feet above the ground in…

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Q: Problem 2: When you drive to work on a winding road, the odometer of your car changes from 27120 km…

A: Initial distance = 27120 Km.Final distance = 27140 Km.Time interval = 30 minutes.We need to find car…

Q: A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at…

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Q: A woman starts from her home at 9.00 am, walks with a speed of 5 km h–1 on the straight road up to…

A: Given : Speed of the lady= 5 km/h Distance from  her home and to her office = 2.5 km Time taken =…

Q: 2) Your nephew drops a stuffed bunny from the second floor balcony. You want to get the bunny back…

A: Solution: Given that: Height = 3.8 m The minimum velocity need to toss bunny is can be solved by…

Q: A ball is thrown vertically up with a velocity of 27.9m/s at the edge of a 45-m cliff. Calculate the…

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Q: A train is operating at an average speed of 115.5 km/h for 3 hours, then at an average speed of…

A: The average speed of an object can be said to be the total distance the object has traversed within…

Q: ou are driving a car along a straight road at 133 kph. Suddenly, you saw  a cat crossing the road…

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Q: The box travels from point A to point B along the curvilinear path that is shown in the figure which…

A: According to company policy I have to solve only three questions.

Q: Cathy is on top of a playground slide when she slides down the ramp starting from rest, if her…

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Q: If it weren't for air resistance, raindrops would be dangerous! If a raindrop initially at rest in a…

A: Given u = 0 t = 16 sec

Q: 2. A small plane flying at 180 kph at an altitude of 240m, is to drop an inflatable raft to flood…

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Q: If an object is dropped from the top of a building and it reaches the ground at t = 4 s then the…

A: Given data:  Initial velocity (Vi) = 0 m/s Time (t) = 4 s Air resistance is negligible g = 9.8 m/s2…

Q: A 72kg bungee jumper jumps from a bridge. She is tied to a bungee cord, whose unstretched length is…

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Q: A ball is thrown from a height of 0 m so that it lands back on the field at a distance of 24 m from…

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Q: An aircraft touches down at a speed of 200 km/hour and the brakes are applied. If the aircraft…

A: Given : u=200 km/hr=55.56 m/s v=20 km/hr=5.56 m/s a=-0.05v=-0.278 m/s2

Q: A roadrunner is cruising at 6 m/s without knowing the road under its feet is about to run out, at…

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Q: The distance covered by an object (in metre) is given by s = 8t3 - 7t2+ 5t Find its speed at t = 2…

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Q: A ball is throw hoard from the ground with  initial velocity vi= 14 m/s and reaches height of h…

A: (C)we have v2-u2=2asat maximum height v=00-vi2=2(-g)(h)h=vi22g(D)h=1422(9.8)=10 m

Q: An object of mass 5.9 kg moves along a flat surface and then up an incline with a steepness of 7.8°.…

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Q: Calculate the speed of the object when it is at x=2m (b) Does the object reach x=3m ? ____ Yes ____…

A: As this question has multiple parts so I have solved only the first 3 parts. If you need solution of…

Q: A car traveling at 10 mph gets on an icy hill (  = 0 ). The hill angle is 45. driver stomps on the…

A: The car slides down the hill upto 200 ft, hence applying Newton'sequation of motion to this angular…

Q: A tennis player tosses a tennis ball straight up and then catches it after 2.11 s at the same height…

A: Time of flight, T = 2.11 s Acceleration due to gravity, g = 9.81 m/s2   The time of flight is given…

Q: 4. A stone is thrown vertically upward with an initial velocity of 32 ft/s from the top of a…

A: Given value--- A stone is thrown vertically upward with an initial velocity of 32 ft/s from the…

Q: A 1 kg ball is dropped from a height 3 m above the ground and upon striking the ground bounces up a…

A: mass of ball = 1 kg Initial height = 3 m final height after bouncing = 2 m

Q: The average speed of a car is 35 km h-. How far can it travel.in 45 minutes?

A: Given average speed V =35kmh And time t= 45 minutes We have to find the distance travelled by the…