1Question
A weather report says the air temperature is 18°C. What is this temperature in Kelvin?
2Question
A parcel of air has a pressure of 101 kPa at sea level. Convert this pressure to Pa.
3Question
A weather balloon rises at a constant speed of 4 m/s for 15 s. How high does it rise?
4Question
The wind blows 12 km east in 2 hours. What is the average wind speed in km/h?
5Question
A cloud cover report shows 3/4 of the sky is covered by clouds. What percentage of the sky is covered?
6Question
A rain gauge collects 8 mm of rain in 4 hours. What is the average rainfall rate in mm/h?
7Question
A weather station records a pressure increase from 100 kPa to 104 kPa. What is the change in pressure in kPa?
8Question
A cooling front lowers the air temperature from 26°C to 19°C. What is the temperature change?
9Question
A wind sensor measures 9 m/s north and then 9 m/s south at different times. What is the magnitude of the velocity change?
10Question
A hot air balloon rises 150 m in 30 s. What is its average vertical speed?
11Question
A storm system moves 240 km in 8 h. What is its average speed?
12Question
The air pressure at a hilltop is 92 kPa and at sea level is 101 kPa. What is the pressure difference?
13Question
A humidity sensor reads 55% in the morning and 80% in the afternoon. By how many percentage points did the relative humidity increase?
14Question
A weather radar detects a storm 45 km away. If radio waves travel at 3.0 × 10^8 m/s, how long does the signal take to return from the storm and back if the storm reflects the signal? Use one-way distance.
15Question
A fog bank has a thickness of 120 m. A light beam takes 4.0 × 10^-7 s to cross it. What is the speed of the beam in the fog?
16Question
A car is moving through a rainstorm at 20 m/s relative to the ground. The rain is falling vertically at 10 m/s. What is the magnitude of the rain’s velocity relative to the car?
17Question
A weather balloon experiences a net upward force of 36 N and has a mass of 3.0 kg. What is its upward acceleration?
18Question
A raindrop of mass 0.002 kg falls with a weight of 0.0196 N. What is the gravitational force on it?
19Question
A wind turbine blade experiences a force of 500 N over an area of 2.5 m². What pressure does this force create?
20Question
A weather balloon with volume 3.0 m³ displaces air of density 1.2 kg/m³. What mass of air does it displace?
21Question
A cloud forms when 2.4 kg of water vapor condenses into liquid over 1 hour. What is the average condensation rate in kg/h?
22Question
A thunderstorm cloud base is 1.8 km above the ground. Convert this height to meters.
23Question
A weather satellite orbits Earth and scans a 600 km wide region in 20 minutes. What is the average scan rate in km/min?
24Question
A pressure reading drops from 102 kPa to 98 kPa in 2 hours. What is the average rate of pressure change in kPa/h?
25Question
A sea breeze travels inland at 8 m/s for 45 minutes. How far does it travel?
26Question
A hailstone falls from rest and reaches a speed of 14 m/s after falling. Assuming constant acceleration, what is the hailstone’s acceleration if this happens in 2.0 s?
27Question
A storm front moves east at 18 m/s. A weather station is 54 km east of the storm’s starting point. How long will it take to reach the station?
28Question
A balloon rises with acceleration 1.5 m/s² for 8 s starting from rest. What is its final speed?
29Question
A rain shower deposits 18 mm of rain over an area of 2.0 m². What volume of water fell? Recall that 1 mm of rain over 1 m² equals 1 L.
30Question
A weather vane rotates through 120° in 6 s. What is its average angular speed in degrees per second?
31Question
An anemometer rotor has a radius of 0.10 m and spins at 12 revolutions per second. What is the linear speed of a point on the edge? Use v = 2πrf.
32Question
A thunderclap is heard 5.0 s after a lightning flash. If the speed of sound is 340 m/s, how far away was the lightning?
33Question
A weather radar pulse travels to a storm and back in 2.0 × 10^-4 s. What is the distance to the storm? Use the speed of light as 3.0 × 10^8 m/s.
34Question
A parcel of air expands from 2.0 m³ to 3.5 m³ while pressure stays constant at 100 kPa. How much work is done by the air?
35Question
A warm air mass gains 2.0 × 10^6 J of heat and its temperature rises by 5°C. What is its heat capacity?
36Question
A storm cloud contains 8.0 × 10^9 kg of air. If the cloud is lifted 500 m, what gravitational potential energy does it gain?
37Question
A 5.0 kg weather sensor package falls and experiences an air resistance force of 20 N upward. What is the package’s net downward force?
38Question
A wind gust exerts a force of 150 N on a 0.60 kg drone. If the drone accelerates in the direction of the wind, what is its acceleration?
39Question
A pressure difference of 4.0 kPa acts across a weather balloon window with area 0.020 m². What force acts on the window?
40Question
A cold front causes air temperature to drop from 22°C to 6°C while the pressure falls from 101 kPa to 94 kPa over 3 hours. What are the average rates of temperature change and pressure change per hour?