How far away was the object that reflected back the sound
On a day when the speed of sound in air is 340 m/s, a bat emits a shriek whose echo reaches it .025 s later. How far away was the object that reflected back the sound?
a) 4.25 m
b).85 m
c) .425 m
d) 8.5 m
Expected delivery within 24 Hours
Determine the magnitude ratio and the phase lag for the system when subjected to a sinusoidal forcing having a 100 hz frequency. What, if anything is the problem using this system for this application.
A women a toddler pushes a chair at a constant speed with a force of 25.0N for a distance of 2.5m. How much work is the child doing on the chair?
To obtain the rate of reaction 3I- (aq) +H3AsO4(aq) +2H+(aq)->I3-(aq)+H2AsO3(aq)+H20(l) you might follow the I- concentration or the I30 concentration.
A mass is attached to a spring. It oscillates at a frequency of 1.27 Hz when displaced a distance of 2 cm from equilibrium and released. What is the maximum velocity attained by the mass?
Determine the rate of heat transfer from the bottom surface of the engine block by convection and radiation as the car travels at a velocity of 80 km/h.
A player of a video game is confronted with a series of 3 opponents and a(n) 77% probability of defeating each opponent. Assume that the results from opponents are independent (and that when the player is defeated by an opponent the game ends).
After achieving top speed, he runs the remainder of the race without speeding up or slowing down. The total race is fifty meters long. If the total race is run in 7.82 s, how far does he run during the acceleration phase?
Samples of skin experiencing desquamation are analyzed for both moisture and melanin content. The results from 100 skin samples are as follows:
1945725
Questions Asked
3,689
Active Tutors
1444645
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Physical wellness in the workplace only refers to organizations providing their employees with healthy eating and physical activity options,
Your company is in the process of redesigning several floors of office space. You are tasked with generating a list of ideas to incorporate
Which priority action would the nurse take during the first few hospital days for an adult diagnosed with schizophrenia who is ungroomed and withdrawn,
What types of errors are best described as those that occur when there are problems within the health care system?
Problem: According to the lesson, which of the following are parts of the patient safety competency?
When thinking about children brain development and emotional intelligence - Identify one way you can make the environment safe for the children
The nurse is caring for a client with pancreatic cancer who reports feeling abdominal fullness. Which action should the nurse perform first?