From point A located at the perimeter of a circular forest of diameter 30 km we want to reach the farthest point B of the forest. There is a straight footpath BC passing through the forest. Through the trees we can walk with speed 3 km/h, along the pathway the speed of walking is 5 km/h. Find the shortest possible time needed to reach point B?

Q: A small ball is thrown straight up from just past the edge of the roof of a building. The ball is…

A:

Q: You decide to drop a water balloon on a friend as a prank. You climb onto an overpass near their…

A:

Q: A student slides for 5.0 m down an icy frictionless ramp whose slope is 30 degrees with respect to…

A: here, length of ramp(l) = 5.0 m θ = 300 initial speed(u) = 0 final speed = v

Q: C2. A dynamite blast blows a heavy rock straight up in the air with a launch velocity of 192…

A:

Q: In a medieval siege, trebuchets were sometimes used to launch objects past fortifications. Suppose a…

A:

Q: At some airports there are speed ramps to help passengers get from one place to another. A speed…

A: the walking speed is

Q: ong x-axis is defined by v=s3-4s2+6s where v is in m/s and

A:

Q: A man walks on sand at speed 1.20 m/s over a distance of 48.0 m, after which he walks on pavement…

A: Given :- speed on sand = 1.20 m/s distance = 48 m walk on pavement = 102 m  average speed of entire…

Q: A badger looking for food travels 8.0 km [S], 3.0 km [E], 5.0 km [S], 9.0 km [N], then 3.0 km [W].…

A: Given data:  Badger travels 8.0 km [S], 3.0 km [E], 5.0 km [S], 9.0 km [N], then 3.0 km [W]…

Q: a car passes a parked police car at 70mi/hr. the police car immediately accelerates at 6ft/sec2 at…

A: Given :      Speed of car, vc = 70 mi/hr = 31.29 m/s      Initial speed of the police car, up = 0…

Q: Suppose the caravan of 10 cars begins immediately in front of the first toll booth, travels 20 km to…

A: To calculate the total end-to-end delay, we need to know the delay at each toll booth. If we assume…

Q: rabbit runs 3.8 m [N] and stops to nibble on some grass. The rabbit   then hops 6.3 m [N] to scratch…

A: Given  A Rabbit displacement D1 = 3.8 m North Displacement D2 = 6.3 m North  We to to find total…

Q: In a 5000 m race, the athletes run 1212 laps; each lap is 400 m. Kara runs the race at a constant…

A: The total distance of the race, D=5000mEach lap distance = 400 mKara runs the race at a constant…

Q: There are flies that are flying with a constant altitude of 5 km, that has a velocity of 42km/h. At…

A:

Q: At time t = 0, a particle has a velocity of m a(t) v = 4.00. The following graph shows the particles…

A: Dear student The area under acceleration- time graph gives us the total change in velocity of the…

Q: After 3 seconds the speed of the rock is ____ m/s.

A:

Q: What is the initial speed of the mouse in meters per second?

A: Concept: A push or pull upon an object resulting from the objects interaction with another object is…

Q: While dusting a bookshelf at the local college's huge library, Jean accidentally knocks a book off…

A: From equation of motion, final velocity of the body is v2 = u2 + 2as Where, v = final velocity u =…

Q: A tortoise can run with a speed of 0.12 m/s, and a hare can run 20 times as fast. In a race, they…

A: (a) Time taken for the race is, DT=35 cm+DHvt=0.35 m+20vt-4 min0.12 m/st=0.35 m+200.12 m/st-240…

Q: While dusting a bookshelf at the local college's huge library, Jean accidentally knocks a book off…

A: Given Height from book dropped = h = 3.48 m Initial velocity = u = 0 m/s We have to calculate the…

Q: two people start from the same point. one walks east at 5mi/h and the other walks north east at…

A:

Q: While dusting a bookshelf at the local college's huge library, Jean accidentally knocks a book off…

A: Initial speed of the book, u = 0 m/s Height of the shelf, h = 3.83 m Acceleration due to gravity, g…

Q: Question 4: The particle travels from A to B. Identify the three unknowns and write the three…

A: Given, The initial velocity of the particle is u=10m/s the angle of inclination is θ=30o The initial…

Q: An object moves from point x = -2m, y = 3m, z = 1m to point x = 3m, y = -1m, z = 4m. What is the…

A:

Q: If a half marathon is 13 1 miles ,how long will ít take for a runner to Complete the distance…

A: Given: The distance of the half marathon is 13.1 miles. The average rape of rinning is 5 minutes and…

Q: a car moves along expressed as: S = 4+4 -3+² +8 2 a path where s is in meters while t seconds. what…

A: motion of car along a path is given by : s = 4t4 -3t2 + 8

Q: A student throws a water balloon vertically downward from the top of a building. The balloon leaves…

A: The relation between change in velocity of a body thrown downwards is given by v= u+gt, where v =…

Q: A train travels a distance of 300 km with an average speed of 60 km h_1. How much time does it take…

A: Given data:  Distance (d) = 300 km Speed (v) = 60 km/h Required: Time (t)