Fill in two blanks. A ball is thrown straight up with enough speed so that it is in the air for several seconds. The air resistance acting on the ball is negligible. The velocity of the ball when it reaches its highest point is [Answer1] m/s and the acceleration of the ball when it reaches its highest point is [Answer2] m/s2.
Blog
A cat starts from rest and run with an acceleration of 5 m/s…
A cat starts from rest and run with an acceleration of 5 m/s2 along a straight line . How far does it go in 4 seconds?
When you push a crate across a level floor at constant veloc…
When you push a crate across a level floor at constant velocity, friction between the crate and the floor is __________
A child on a sled is sliding down some snow covered hills st…
A child on a sled is sliding down some snow covered hills starting from rest at location A. In the picture three different locations are marked with the letters A, B, and C. Rank from highest to lowest the kinetic energy of the child.
Could the characteristic followed in the pedigree be caused…
Could the characteristic followed in the pedigree be caused by an autosomal dominant disease? Why or why not?
One foot is defined as 30.48 centimeters. Using all the four…
One foot is defined as 30.48 centimeters. Using all the four digits, the correct expression for a one-foot length, expressed in meters, is ___________
Part 2: Problems (19 points) You must type your answer into…
Part 2: Problems (19 points) You must type your answer into the given box and show all your work. For credit, please follow the instructions below and show all the steps. Step 1. Type the provided values along with their units in the problem, and designate a specific symbol (standard) for each known value and value that you need to determine. Step 2. Type the general equations that you will use to solve the problem using the variables (no numbers yet). Step 3. Show steps to utilize the provided values and their respective units to calculate the answer for the value you need to determine.
A baseball weighs 1.5 N on Earth. Another type of ball weigh…
A baseball weighs 1.5 N on Earth. Another type of ball weighs 1.5 N on the Moon. The ball with the greater mass is the [Answer] ( Hint: The acceleration due to gravity on earth is 9.80 m/s2 and the acceleration due to gravity on moon is 1.60 m/s2 )
According to Galileo, inertia is a _____________
According to Galileo, inertia is a _____________
A scaffold that weighs 300 N supports two painters, one weig…
A scaffold that weighs 300 N supports two painters, one weighing 500 N and the other weighing 400 N as shown in figure below. The tension in the rope on left hand is 700 N. What is the tension in the rope on right hand?