Oracle Tutoring, Campbell River, BC
(250) 203-6544 (text) or (250) 830-0295 (talk)
Continuing with the golfing premise, the tutor finds the range of the projectile. While this post continues from yesterday’s, its premise begins with my Oct 16 one. We have a projectile whose horizontal velocity is 49m/s (see Oct 16), whose …
Physics: projectile motion: range of a projectile Read more »
The tutor continues about projectile motion. Back in my Oct 16 post, I began exploration of a projectile’s motion. The context is a golf ball shot at 55m/s, 27° elevation, over level ground. The post from October 16 resolves the …
Physics: projectile motion: time in air over level ground Read more »
The tutor shares a find he’s 90 percent certain about. My daily walk takes me by a lot that’s been cleared but remains vacant. Searching such an area, a botany student will often be rewarded, as in this case. A …
Plant identification from a field guide: dune tansy Read more »
The tutor talks more about listing subdirectories first with the Linux ls command. I began with this topic in my May 17 post (exactly five months ago, I notice:) While the solution therein is very helpful, I’ve found another one …
Linux: ls command: listing subdirectories first, part II Read more »
The tutor gets started with projectiles. Consider the following question: A golf ball is hit over level ground at 55m/s with angle of elevation 27°. Find the vertical and horizontal components of its velocity. Solution: We draw a diagram of …
Physics: projectile motion: finding the horizontal and vertical components of velocity Read more »
The tutor shares a discovery about his exercise routine. Last year, I did three 25 minute walks per week, then two harder cardio workouts, 15 to 45 minutes each. The routine worked: as the year progressed, my condition improved. I …
The tutor offers commentary on the NDP election platform. A party’s leader is perhaps the most important consideration for many voters. “You vote for the leader, not the party,” I’ve heard. Not everyone agrees, of course; some people are loyal …
The tutor offers reflections about the coming election. According to my voter’s card from the mail, the Canadian federal election is October 19. In a busy life like mine, with a ten and a thirteen-year-old, you never know when, for …
The tutor mentions how to change trig units on the Staples BD-6120G. For grade 10 and 11 math students, degree mode is probably needed. You know if you’re in degree mode by a capital D at the top of the …
Calculator usage: degree, rad and grad mode on the Staples BD-6120G Read more »
The tutor covers a simple, yet powerful feature of the Texas Instruments TI-30xa. Using the memory can save time in multi-step calculations. With the TI-30xa, here’s how: Enter the number you want to store on the display. (It can also …
Calculator usage: using the memory on the TI-30xa Read more »