# Solution - A Man Can Swim with a Speed of 4.0 Km/H in Still Water. How Long Does He Take to Cross a River 1.0 Km Wide If the River Flows Steadily at 3.0 Km/H and He Makes His Strokes Normal to the River Current? How Far Down the River Does He Go When He Reaches the Other Bank - Projectile Motion

Account
Register

Share

Books Shortlist

#### Question

A man can swim with a speed of 4.0 km/h in still water. How long does he take to cross a river 1.0 km wide if the river flows steadily at 3.0 km/h and he makes his strokes normal to the river current? How far down the river does he go when he reaches the other bank?

#### Solution

You need to to view the solution
Is there an error in this question or solution?

#### Similar questions VIEW ALL

Show that for a projectile the angle between the velocity and the x-axis as a function of time is given by

theta(t) =tan^(-1) ((v_(0y) - "gt")/v_(o x))

view solution

A bullet fired at an angle of 30° with the horizontal hits the ground 3.0 km away. By adjusting its angle of projection, can one hope to hit a target 5.0 km away? Assume the muzzle speed to the fixed, and neglect air resistance.

view solution

Show that the projection angle theta_o for a projectile launched from the origin is given by

theta_o =tan^(-1) ((4h_m)/R)

Where the symbols have their usual meaning

view solution

The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball thrown with a speed of 40 m s–1 can go without hitting the ceiling of the hall?

view solution

A cricketer can throw a ball to a maximum horizontal distance of 100 m. How much high above the ground can the cricketer throw the same ball?

view solution

#### BooksVIEW ALL [2]

Solution for question: A Man Can Swim with a Speed of 4.0 Km/H in Still Water. How Long Does He Take to Cross a River 1.0 Km Wide If the River Flows Steadily at 3.0 Km/H and He Makes His Strokes Normal to the River Current? How Far Down the River Does He Go When He Reaches the Other Bank concept: Projectile Motion. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)
S