The gravitational potential energy of an object with a mass of 2 kilograms at a height of 5 meters is ___ joules. A. 98 B. 100 C. 120 D. 150 相关知识点: 试题来源: 解析 B。解析:重力势能公式为 Eₚ = mgh,m = 2kg,g = 9.8N/kg,h = 5m,代入可得 Eₚ = 2×9.8×5 = 98...
解析 A。解析:Mass is another important concept in Newtonian mechanics. It determines how much an object resists changes in its motion. 选项 B 的 speed(速度)只是 motion 的一个方面;选项 C 的 direction(方向)和选项 D 的 location(位置)都不是 mass 决定的内容。
<p>To solve the problem step by step, we need to find the amplitude of oscillation for an object executing Simple Harmonic Motion (SHM). </p><p><strong>Given Data:</strong> - Mass of the object, <span class="mjx-chtml MJXc-display" style="text-align: cen
5.38m//sAn object of mass 4 kg moving along x-axis crosses origin with 4 m/s towards positive direction. A force begins to act on the objection variation of which with x-coordinate is as shown in the graph. Find its speed when it is at x=15m
Question: An object with a mass of 10 kg lies on a horizontal surface. Calculate the normal force exerted on the object. The Normal Force: Unlike a push or a pull, some forces aren't so visible, although we can still feel their effects. Once...
In physics, ___ is the measure of the amount of matter in an object. A. mass B. weight C. volume D. density 相关知识点: 试题来源: 解析 A。解析:在物理学中,“mass”(质量)是对物体所含物质多少的度量。选项B“weight”指重量,是物体受重力的大小的度量,与质量概念不同。选项C“volume”...
百度试题 结果1 题目 An object with a mass of 5kg is moving at a constant velocity of 10m/s. What is the net force acting on the object? A. 10N B. 20N C. 30N D. 0N 相关知识点: 试题来源: 解析 D 反馈 收藏
As shown in the figure, an object with a mass of 2m has F(t) = F 0 sinωt. A rod of length L and mass m is connected by a spring over the object. (a) Find the equations of motion for x(t) and Θ(t). (b) Find x(t...
With delayed persistence, a model object is partially built and capable of being manipulated before being persisted. To finally create the model in parse-server, call itssavemethod: classPlayerincludeOpium::Modelfield:name,type:Stringfield:gamer_score,type:Integer,default:0endplayer=Player.new(name...
If an object with a mass of 60 grams has a volume of 30 cm{eq}^3 {/eq}, what is its density?Density:The density of an object tells us how much an object is dense. It is defined as the mass per unit volume of a given object. It can be expressed in ...