How much work is done on the lawn mower by the person if he exerts a constant force of 93.2 N at an angle 25.3° below the horizontal and pushes the mower 32.0 m on level ground? Use standard units. Exponential format and 3 SF.

Modern PhysicsDerive the equation above to form the answer highlighted. Show the solution. Derive the equation ∆t = 2/cv √(∆tnot/2)² + (V∆t/2)² and it should come up with that highlighted answer below. So it means that you need to show the process of the solution on how that equation comes up with that highlighted answer.

Hello Sir! Please solve question numbers 3. Again please solve question numbers 3.

I have an homework where I was asked to get a generic 12 in/30 cm ruler and then answer the question in bold: Look at the smallest division and record what the uncertainty ▲x is of your tool.  I am not sure how to ansswer this. Note: the previous question asked me to choose a unit of measurement on our tool which is the ruler and I choose inches (I hope that is a unit of measurement).

Consider the following kinematics equation: V²₁ = V² + 2ax where Vf and V are both representative of velocities with units of [m/s], determine the proper units of 2a4x (the second term on the right-hand-side of the equals sign), such that the equation obeys the principle of dimensional homogeneity. (Include square brackets around your final answer). Typo NO

The centroid of the T-section shown is 2.69 inches above the base. What should be the value of b to satisfy this condition? 1" 8" 1" - b Round off to 2 decimal places Answer in inches

I need help with knowing what to cirlce. The " increases      decreases" part.

A biologist has a 6894-gram sample of a radioactive substance. Find the mass of the sample after two hours if it decreases according to a continuous exponential decay model, at a relative rate of 9% per hour. Do not round any intermediate computations, and round your answer to the nearest tenth. grams

Question help

for the first box the options are 1, 2, 3, 4, 5  for the second box options are 1, 2, 3, 4, 5 for the thrid box the options are 2, 3, 4, 5, 6, 7, 8, 9, 10