The brightest star in the northern hemisphere is Sirius. Its distance from earth is estimated to be 8.7 light years. A light year is the distance light travels in one year. Light travels at a speed of 3.00 x 108 m/s. Calculate the distance from earth to Sirius in miles. (1 mi = 5280 ft)

Q: A truck is moving at a constant speed of 8.3 m/s. How long (in hours) will it take for the truck to…

A:

Q: The following data were taken on five cars traversing a 1.6-km highway. Car…

A: Write the expression for the traffic density. Here, N represents the number of vehicles and L…

Q: What SI unit is the most appropriate to use for the problem given below? A coin is dropped from the…

A: The given problem is based on the unit. We don't need to solve for height, we just need to find the…

Q: 1. Draw a distance vs time graph. Distance (km) Time (hr) 105 1.4 2.3 175 250 3.3 315 350 4.2 4.8…

A: Given: Distance(km) Time(hr) 105 1.4 175 2.3 250 3.3 315 4.2 350 4.8 495 6.6 To…

Q: My cat, Boots, takes 0.44 s to jump off his cat tower to the ground. What was his height from which…

A: Given values  Time period of jump (t) = 0.44 s  According to second law of motion -  Where  H =…

Q: A car accelerates with the acceleration a (s) = k · s^n m/s^2, where s is distance in meters, k =…

A: Given Acceleration a = ksn K = 1193 N = 0.745 s = 1.51 m

Q: 5.00 cars pass through an intersection each second. How many cars pass the intersection in 1.00…

A: In 1 year there are 365.25 days.  In 1 days there are 24 hours.  In 1 hours there are 60 minutes.…

Q: Starting in Albany, you travel a distance 461 miles in a direction 43.8 degrees north of west. Then,…

A: Displacement is the shortest distance between initial and final posi

Q: A furlong is a distance of 180 yards. A fortnight is a time period of two weeks. A race horse is…

A: Given data:  1 furlong = 180 yards 1 fortnight = 14 days Speed (v) = 7 yards per second Required:…

Q: .A hiker leaves camp and walks 10.0 km due north. The hiker then walks 20.0 km in the direction 45°…

A:

Q: On planet Z, the standard unit of length is the foose. Ann the Astronaut is 5.2 feet tall on Earth.…

A: Given Height of Ann on Earth is HAnn, earth=5.2 ft Height of Ann on planet Z is HAnn, Z=88 foosi…

Q: In Europe the speed limit is 95 km/hour. How many meter/second is that?

A: Speed Limit= 95 kmhr To convert : the given speed limit in meters per second

Q: An airplane travels at a constant speed of 800 kilometers per hour (km/h). Approximately how long…

A: Given data: Speed is V = 800 km/ hr Distance travelled is D= 200 km.

Q: If Captain America can walk 3.20 km/h, how far would he have travelled in 0.850h? A km

A:

Q: A man walks 39.4719 m directed 65.5157 degrees from the positive x-axis, then he walks 13.9999 m…

A: Given that,39.4719m is wakled directed 65.5157° from +x axis13.999 m is walked directed 10.5746°…

Q: What is the value of m? Express your answer to two significant figures

A: f = 0.89 Hzmass = m spring constant = k added mass = 760g new frequency = 0.64 Hz using , formula ,…

Q: The radius (R) of the Earth is 6371.22 km, how many significant figures are there? Select one: O a.…

A: Given : Radius of Earth (R) = 6371.22 km To determine : No. of significant figures

Q: NASA sends a radio signal to a robot on Mars, which is 225 x106 km from Earth. How long does it…

A: The expression for find time is t=dv

Q: Please, I need to solve the question in less than an hour.

A:

Q: An object in free fall travels a distance s that is directly proportional to the square of the time…

A: Given data: Distance s is directly proportional to square of the time  Distance falls in 7 seconds…

Q: 1. Put each of the following numbers into scientific notation. a. 0.00000584 # of s. d? b. 245 000…

A: To convert : given numbers into scientific notation

Q: a plane flying from the southern International Airport can reach mount everest in two hours by…

A: Given: The angle bearing is θ=6.8°. The speed of bearing is V=97 mi/h. The speed of wind is V'=25…

Q: How far does a car going 17m/s travel in 15.7 min. Give answer in meters.  Calculate answer to one…

A: Let s denote the total distance travelled by the car. Let v denote its constant speed, and let t…

Q: If an average sized man jumps with a parachute jumps from an airplane he will fall…

A: Write the expression of the distance given above in the question. Here t signifies time.

Q: How many significant figures are in each of the following? a) 2.401 b) 0.0005337 c) 6.00 d) 5.1…

A: a) 2.401 Significant figures = 4 b) 0.0005337 Significant figures = 7

Q: Cardo Dalisay travels north 5 miles and then goes west 3 miles before coming straight back south 2…

A: Step1 - Let us draw the diagram of this motion.

Q: Which of the following correctly describes A=90090 in scientific notation (with correct sig figs)?…

A: Given values, A = 90090 E# represents 10 raised to the power of #.

Q: man walks 25.6245 m directed 127.1469 degrees from the positive x-axis, then he walks 18.7749 m…

A: The man first walks a distance A=25.6245 m in a direction 127.1469o then a distance B=18.7749 m in a…

Q: A man walks 10.1221 m directed 124.9264 degrees from the positive x-axis, then he walks 37.6981 m…

A:

Q: 17. Which of the following represents a standard scientific notation? 12000. 123.0x103 1.230x103…

A:

Q: A bird flew 635 km from Cebu to Manila with an average speed of 35 m/s. How long, in hours, did it…

A: Given: The distance covered is 635 km. The average speed is 35 m/s.

Q: How many meters are there in 6.50 lyly ? Express your answer using three significant figures.…

A:

Q: Draw a distance vs time graph. Time (hr) Distance (km) 105 1.4 2.3 175 250 3.3 315 350 495 4.2 4.8…

A: The table for the graph is: Distance(km) Time(hr) 105 1.4 175 2.3 250 3.3 315 4.2 350…

Q: Radio waves travel at the speed of light which is 3.00×108 m/s. How many minutes does it take for a…

A:

Q: A man walks 18.3118 m directed 45.1332 degrees from the positive x-axis, then he walks 26.6583 m…

A:

Q: 1. Draw a distance vs time graph. Time (hr) Distance (km) 105 1.4 175 2.3 250 315 3.3 4.2 4.8 6.6…

A:

Q: B. Express the following items to scientific notation. 10) 10 005 kg 11) 32 008 m 12) 40 750 585 ms…

A: 1. First, move the decimal point until there is no non-zero digit to the left of the decimal point.…

Q: A small plane takes off from an airport and begins to climb at a 10.0° angle of elevation at 5,000…

A: Given data:  Angle (θ) = 10°,above the horizontal Speed (v) = 5,000 ft/min Time (t) = 3.00 min…

Q: The speed of light is about 3.00 x 108 m/s. Convert this figureto miles per hour.

A: in one hour there are about 3600 seconds . The relation between miles and meter is given by,

Q: What is the total distance traveled by the toy car?

A: From the position - time graph it is very clear that , for 0 -5 s  distance travelled = 4m for 5 -…

Q: Bili has set his GPS to track his route. At the end of his hike, his GPS indicates that he walked…

A: Data given by GPS : d1→ = 3.50 miles (north)= 3.50j^ milesd2→= 1 miles (45 degree north of east)= 1…

Q: A light-year is a unit of distance corresponding to the distance light can travel in a vacuum in 1…

A: a) 1 light year = distance travelled by light in one year. 1 L y = speed of light × 1 year  1 Ly = (…