A beachgoer in Florida notices the waves crashing ashore are spaced 15 meters apart and hit the shore every 6 s. How fast (in m/s) are the waves traveling?

An object's position as a function of time in one dimension is given by the expression; 3.8t2 + 2.3t + 8.15 where are constants have proper SI Units. What is the object's position at t = 2.57?

A soccer player kicks a rock horizontally off a 35.0-m-high cliff into a pool of water. If the player hears the sound of the splash 2.82 s later, what was the initial speed given to the rock? Assume the speed of sound in air is 343 m/s.

Needs Complete typed solution with 100 % accuracy.

A person running through the forest with equation: y(x, t) = (1.1 m)cos(3.1x – 7.1t) for which x has units of meters and t has units of seconds. Calculate the speed of the person running in  m/s. Include postive or negative sign in the answer to show which direction the person is moving in

A dog sees a squirrel 7.4 m away. The dog runs towards the squirrel at 6.2 m/s. The squirrel was not paying attention and didn’t notice the dog until the dog was only 2.4 m away. If the tree is 11.47 m away from the squirrel (in the opposite direction of the dog), what is the minimum speed the squirrel will need to run at to get away(ie get to the tree at least at the same time as the dog)?

The acceleration of a particle is a constant. At t=0 the velocity of the particle is (14.91 + 18.4ĵ) m/s. At t = 4.6 s the velocity is 11.4j m/s. (Use the following as necessary: t. Do not include units in your answers.) (a) What is the particle's acceleration (in m/s²)? = î+ 18.4 v(t) = (b) How do the position (in m) and velocity (in m/s) vary with time? Assume the particle is initially at the origin. r(t) = î+ X Î- i) m/s m/s

A piece of wood moves at a velocity (measured in millimeters per year) of v(1) = r² – 3t – 4 where 1 = 1 would be the end of the first year. If a is the displacement of the wood in the first 5 years and b is the distance traveled in the first 5 years, what is a- b? None of the listed answers

What is the maximum width of the gorge in meters so the agent clears it

An object moves in one dimension according to the equation: Y = 9T3 +10T2 + 10T +5 (where Y is the displacement in the y-direction). What is its velocity when T = 8s.