5. If an astronaut(宇航员) has a weight of 72 kg on the Earth(地球), he has a weight of12 kg on the Moon. If another astronaut has a weight of 10.5 kg on the Moon. What is the astronaut's weight on the Earth?63kg.___ 相关知识点: 试题来源: 解析 答案见上 反馈 收...
They live in South Central China. A South China tiger is about 110 kg. Wow, how large the animal is! It can eat a lot of meat a day. It has a round head, short ears, large limbs and a long tail. The tigers are in great danger. People cut down trees, so they are losing ...
In the wild, this fish can reach a weight of 5lbs. 这种鱼在自然生存环境中可以长到5磅重。 牛津词典 She is trying to lose weight (= become less heavy and less fat) . 她正在设法减肥。 牛津词典 He's put on/gained weight (= become heavier and fatter) since he gave up smoking. 他戒...
A 390-kg satellite is in orbit around the Earth 21,000 km above the Earth's surface. (a) What is the weight of the satellite when in orbit? A 360 kg satellite is in orbit around the Earth, 10000 km above the Earth's ...
What is the weight (in Newtons) of an object with a mass of 25 kg on the surface of the Earth?. Weight of An Object: Weight is defined as the gravitational pull on a mass. If a mass {eq}m {/eq} is in gravitational field {eq}g {/eq} then w...
The goal of this study was to elicit and juxtapose the account of the concept of weight in history vis a vis physics education. The results reveal the prob
CMass is not equal to weight in meaning. Weight is the force caused by the Earth.The mass of an object is not changed because of the different places.The weight of the car is the force acted by the Earth.The weight should be measured in N, not in kg.6kgBCD:There exists the changes...
The gravitational force experienced by an object (weight) due to the Earth’s gravitational field gets stronger as the object moves closer to Earth. Mass & Weight MassWeight The amount of matter in a body A gravitational force A scalar quantity A vector quantity SI Unit : kg SI Unit : N...
The weight of an object equals the magnitude of the gravitational force acting on the object, less the effect of its buoyancy in any fluid in which it might be immersed. Near the surface of the Earth, the acceleration due to gravity is approximately constant; this means that an object's ...
To find the weight of ammonia (NH₃) produced when 2.8 kg of nitrogen (N₂) reacts with 1 kg of hydrogen (H₂), we can follow these steps:Step 1: Write the balanced chemical equation The balanced chemical equation for the