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A bullet having mass m1 is fired with a speed v to the bob of the ballistic pendulum of mass m2. The bob is joined to a very light rod of length L which is pivoted at the other end.
A bullet of 19 g is fired into the bob of a ballistic pendulum having mass 1.8 kg. If the bob is at its utmost height, the strings form an angle of around 60° with the vertical. The length of th
Assume you are relaxing one evening with the copy of Twelth Night, and reading light is placed 5 ft. from surface of book. At what distance would intensity of light be twice as great?
A proton which consists of a mass m and is moving at around 350 m/s in the positive angle direction experiences a head-on elastic collision having a stationary nitrogen nucleus of mass 14m. Determin
A billiard ball (ball: 1) moving at 5 m/s hits a stationary ball (ball: 2) of the similar mass. After the collision, ball: 1 move at a speed of around 4.35 m/s. Determine the speed of ball: 2 after
At 9:00 a.m. the truck leaves truck yard and travels west at the rate of 50 mi/hr. 2 hours later, second truck leaves along same route, travelling at 75 mi/hr. When will second truck catch up to fir
Determine the value of the spring constant k for the spring and shock absorber system of one wheel.
The Eiffel Tower is around 300 m tall. If you are standing at a specific place in Paris, it subtends an angle of 6.8°. Determine how far are you, then, from the Eiffel Tower?
Running at same speed in direction opposite to sidewalk's movement, child is able to cover 165 meters in three minutes. Determine child's running speed on the still sidewalk, and find speed of movin
A cyclist from rest accelerates at a rate of 1.00 m/s2. Determine how fast will a point on the rim of the tire having diameter of 68 cm at the top be moving after 2.4 s?
If one train is traveling at the rate which is 10 miles per hour faster than other train and they meet after 5.5 hours, how fast is every train traveling?
The plane flies 480 miles with wind and 320 miles against wind in same length of time. If speed of wind is 28mph, determine speed of plane in still air?
First he ran at 8mph for first third of trip but soon got tired and slowed down to 5mph for rest of 2 mile trip. Determine how many minutes it took little piggy to reach home.
If they cycle in same direction, James will pass George in seven hours. Determine average rate if speed, in miles per hour, of both cyclists.
The small plane flying into wind takes 3 hours 20 minutes to complete flight of 960 km, flying with wind, same plane takes 2 hours and 30 minutes to make same trip. Determine speed of plane and spe
Jenny, who rides the moped, takes two hours less to travel 60 miles than Maureen takes to travel 50 miles on the bicycle.
The aircraft travels upwind with the speed of 420 mph for 7 hours. In how much time will it cover same distance in absence of wind? Wind speed is given as 120 mph.
He then returns home at same speed but takes the different route. The return trip takes one hour longer and is 25 miles. Determine the speed.
On the certain map, the distance is represented by 42 in. On same map, seattle and cincinnati are 92 in. Find real distance between seattle and cincinnati.
The car travels 400 miles on level terrain in same amount of time it travels 160 miles on mountainous terrain. If rate of car is 30 miles per hour less in mountains than on level ground, determine
After work traffic was heavier and he drove home at 45 miles per hour. Drive time to and from work was one hour and 16 minutes. How far Linker lives from work?
If she averages 55mph on country roads and 35 mph through towns, and if travels three times as far on country roads as she does through towns, find total length of the trip?
Knowing that Leah walks 1.5x faster than the daughter and that they are travelling in the straight line, find at what time they meet?
George can ride the bike to work in 3/4 hour. If he takes his car to work, trip takes 1/6 hour. If he drives the car an average of 14 miles per hour faster than he rides the bike, find distance he t
Compute electric flux through the surface when surface is the sphere with the radius of 0.20 m, sphere with the radius of 0.10 m, and the cube with edges which are 0.10 m long.