# phyd

How long would it take for a small pebble to fall from the top of the Grand Canyon to its deepest part?

1. 👍
2. 👎
3. 👁

## Similar Questions

1. ### Physics

A rock dropped from the top of a building takes 0.55 s to fall the last 50% of the distance from the top to the ground.How tall is the building?

2. ### Physics

A flower pot from a roof top garden fall off the edge of the roof and fall fast the window below. Air resistance may be ignored. The flower pot takes 0.48s to travell between the top and the bottom of the window which is 1.9m

3. ### chemistry

A small pebble is heated and placed in a foam cup calorimeter containing 25.0 mL of water at 25.0 degrees Celsius.The water reaches a maximum temperature of 26.4 degrees Celsius. How many joules of heat were released by the

4. ### physics

A 1.1 pebble is stuck in a tread of a 0.85 diameter automobile tire, held in place by static friction that can be at most 3.9 . The car starts from rest and gradually accelerates on a straight road.How fast is the car moving when

1. ### Math

Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top

2. ### physics

A boy fires a 60 g pebble with his slingshot. The pebble leaves the slingshot at 35m/s How high above the slingshot will the pebble rise if it's fired straight up?

3. ### physics

A slingshot fires a pebble from the top of a building at a speed of 16.0 m/s. The building is 32.0 m tall. Ignoring air resistance, find the speed with which the pebble strikes the ground when the pebble is fired (a) horizontally,

4. ### Chemistry

A small pebble is heated and placed in a foam cup calorimeter containing water at 25 °C. The water reaches a maximum temperature of 27 °C. If the pebble released 532.1 J of heat to the water, what mass (in g) of water was in the

1. ### Physics

A rock is dropped from a height of 100m. a) how long does it take to fall the first 50m? b)How long does it take to fall the last 50m? Which equation would I use to solve this problems with? For a) use s=(1/)g*t^2 where s=50m and

2. ### physics

A frictionless incline is 5.00 m long (the distance from the top of the incline to the bottom, measured along the incline). The vertical distance from the top of the incline to the bottom is 4.03 m. A small block is released from

3. ### physics

(a) Just for fun, a person jumps from rest from the top of a cliff overlooking a lake. In falling through a distance H, she acquires a certain speed v. Assuming free-fall conditions, how much farther must she fall in order to

4. ### science

When you drop a pebble into a pond, the energy from the pebble acts on the water and causes waves. What is the wave? Group of answer choices The water moving away The visible form of energy. The pebble falling through the water