They’re falling toward earth & moving forward at about the same velocity. because the downward and forward forces are nearly equal, the astronauts are not pulled in any specific direction, so they float . <span>
</span>
Metal conducts heat quicker than wood or air so when you touch it heat is taking away from you body faster than when you touch the wood desk. When heat is taken from our bodies our brain interprets this as cold.
Answer:
Một vật được ném xiên lên từ đỉnh của một tòa nhà cao 20m với góc 600 so với phương ngang, tốc độ ban đầu là 10m/s. Xác định độ cao cực đại của vật so với mặt đất?
Explanation:
The final temperature is 34.91°C
<u>Explanation:</u>
<u></u>
Initial volume, V1 = 362m³
Final volume, V2 = 632m³
Initial temperature, T1 = 20°C
Final temperature, T2 = ?
We know,
V1/T1 = V2/T2
362/20 = 632/T2
T2 = 34.91°C
Therefore, the final temperature is 34.91°C
Answer:
+60 J
Explanation:
Work done by the field on the charge is given by W = qEd where q = charge = +4.0 C, E= electric field strength = 30 N/C and d = distance moved by charge = 0.50 m
So, substituting the values of the variables into the equation, we have
W = qEd
= +4.0 C × 30 N/C × 0.50 m
= +60 Nm
= +60 J
