If the exposense rate im from a source is 9 mR/hr. What is the exposure rate at 3m from the source Exposuse varies inversely savased with distance a Ans. Amk/br R

Q: If you drop a rock from a brigdge, how far does it fall in three seconds?  A: 3 meters B: 9.8 meters…

A: Distance travelled is given by,

Q: Please help me with questio d), e) and f)? Thanks.

A:

Q: In terms of the scale of magnitude, what is the difference between something that operates in…

A: An exponential change of plus or minus 1 in the value of a quantity or unit is defined as an order…

Q: Examine the graph below and answer the question. Velocity (m/s) 12 10 8 2 0 0 1 2 Time (s) 3…

A: Given data:  The velocity vs time graph Required: The average velocity from t=1.0s to 3.0s

Q: Examine the graph below and answer the question. Velocity (m/s) 12 10 4 2 0 2 Time (s) 3 4 LO What…

A: The velocity versus time graph is given for an object in motion The velocity is plotted along y axis…

Q: An object was initially at rest. Now it started moving at a constant acceleration of 0.4 m/s2. How…

A: Given that, Initial velocity of the object, vo =0 m/sAcceleration of the object, a=0.4 m/s2…

Q: If you drop a rock from a brigdge, how fast is it going in three seconds?  A: 3 meters B: 9.8 meters…

A: Initial velocity of rock is zero and acceleration due to gravity acts downward due to which rock…

Q: What was the average speed in km/h of a car that travels 702 km in 6.2 h? km y =

A: total distance travel d = 702 km Total time taken t = 6.2h

Q: An airplane touches down at an airport traveling 90.9 m/s and slows at a rate of 17.7 m/s2. How…

A: Write the first kinematic equation. v=u+at Here, v is the final velocity, u is the initial velocity,…

Q: Kalil and Sophia were learning about space and space travel in school. They were designing models of…

A: From the data provided in the activity, we see different diameters of balloons and numbers of…

Q: 8. The speed of sound is measured to be 342 m/s on a certain day. What is this in km/h?

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Q: v(m/s) 10 t(s) 1 2 4

A: The area under the velocity-time graph gives us the value of distance (S) travelled by the object…

Q: which terms represent scalar quantities

A: The physical quantities which have only magnitude are known as scalar quantities. It is fully…

Q: On a highway trip, Joseph drives the first 25 miles at 55 mph, and the next 15 miles at 70 mph. What…

A:

Q: If Hawkeye was able to travel 5km north in 6. hour in his car, what was the magnitude of his average…

A:

Q: Rank these speed measurements in increasing order from smallest (1) to greatest (5):   54.9 mi/h…

A: There are various speeds with different units and we have to rank these speed measurements in…

Q: A car traveling with an initial velocity of 5 m/s accelerates at a constant rate of 2 m/s2. What is…

A: The objective of the question is to find the final speed of the car after four seconds of…

Q: the object's displacement

A:

Q: he map below shows the paths walked by three different people. All three people start from point A…

A: Given, 1st person travels from point A to B 2nd person travels from point A to C 3rd person travels…

Q: Car Accelerates from 15m/s to 26m/s in 6.0 seconds. Within this time, calculate the distance in…

A: The given values are,

Q: Examine the graph below and answer the question. Velocity (m/s) 12 10 8 4 N 0 0 1 Time (s) 3 4 LO…

A: Area under velocity time graph represent displacement . Average velocity = total displacement /total…

Q: Mr. Gretskty has an antique bicycle that he takes to antique auto shows. below is a table of his…

A: Given information: Miles from home in the first hour (t1 = 1 hr) is d1 = 39 miles. Miles from home…

Q: 13. If I drive my car at 25 mi/hr for 30 min, how far have I traveled?. If I start driving north at…

A: Speeding up  A (velocity is increasing on the graph) Slowing Down C (velocity is decreasing on the…

Q: A mountain incline climbs from an elevation of 6556 feet to 8587 feet above sea level. The…

A: Initial elevation (h) = 6556 feet Final elevation (h') = 8587 feet Time taken (t) = 18 minutes and…

Q: What is the sum, expressed in the correct number of significant figures, of the measured values 21.4…

A: The objective of the question is to find the sum of the given measurements and express it in the…

Q: While training for an ironman competition, John swam 0.86 km, biked 22.4 km, and ran 4.25 km. He…

A: Given data:  John swam 0.86 km Biked 22.4 km And ran 4.25 km Completed this routine 2 times in a…